In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.

Article: New research at Washington University School of Medicine in St. Louis shows that people who struggle with mood problems or addiction can safely quit smoking and that kicking the habit is associated with improved mental health. Cavazos-Rehg, an assistant professor of psychiatry, found that quitting or significantly cutting back on cigarette smoking was linked to improved mental health outcomes. Quitting altogether or reducing by half the number of cigarettes smoked daily was associated with lower risk for mood disorders like depression, as well as a lower likelihood of alcohol and drug problems. "We don't know if their mental health improves first and then they are more motivated to quit smoking or if quitting smoking leads to an improvement in mental health," Cavazos-Rehg said. "But either way, our findings show a strong link between quitting and a better psychiatric outlook." In addition, she believes the serious health risks associated with smoking make it important for doctors to work with their patients to quit, regardless of other psychiatric problems. "About half of all smokers die from related to smoking, so we need to remember that as complicated as it can be to treat mental health issues, smoking cigarettes also causes very serious illnesses that can lead to death," she explained. Cavazos-Rehg and her team analyzed questionnaires gathered as part of the National Epidemiologic Study on Alcohol and Related Conditions. In the early 2000s, just under 35,000 people were surveyed. As part of the study, they answered questions about drinking, smoking and mental health in two interviews conducted three years apart. The researchers focused on data from 4,800 daily smokers. Those who had addiction or other psychiatric problems at the time of the first survey were less likely to have those same problems three years later if they had quit smoking. And those who hadn't had psychiatric problems at the initial survey were less likely to develop those problems later if they already had quit. "We really need to spread the word and encourage doctors and patients to tackle these problems," Cavazos-Rehg said. "When a patient is ready to focus on other mental health issues, it may be an ideal time to address smoking cessation, too."
Question: What is the main idea of the passage?
Options: (A) Smoking was associated with alcohol and drug problems. (B) Quitting smoking may help to improve mental health. (C) Smoking can lead to cancer or other deadly problems. (D) Those who had mental problem are more motivated to quit smoking.
B

Article: In the market of luxury brands, Chinese consumers are only second to the Japanese in the world. Across the globe it's clear that the young generation are increasingly relying on expensive brands for their self-image. Personally I am a fashion-lover, at least in spirit. I love to look at clothes and shoes. But I don't understand why people spend large amounts of money on designer labels. Certainly, young people, whether in China or elsewhere, should be building their self-confidence in other ways. When a young woman shows off a handbag worth two months' salary, that's a scary thing. What are the psychological factors forcing young people to take on debt for designer items? The desire to say, "Hey, look at me. I'm wealthy. I have social status." Scientists have found the acquisition of luxury brands doesn't lead to happiness. Study after study has shown that, although we are born to desire material possessions, when we get them, we don't suddenly become "happy people". In fact, a series of studies by Leaf Van Boven at the University of Colorado, US, have shown that individuals who invest in travel and other experiences get more pleasure than those who invest in material things. That's because experiences are more easily combined into a person's identity. If I travel to Yunnan, that adventure affects how I think. My memories entertain my friends and colleagues. It follows, then, that investing in experiences improves my chances for successful social relationships. Moreover, as Van Boven has observed, young people who pursue happiness through "things" are liked less by others than young people who seek happiness through experiences. This research is pretty solid, but I suspect it won't persuade young people not to desire a style. It's natural to want to express yourself through your appearance. So my advice is, create a look that isn't tied to a designer label. You don't have to _ to send a message about who you are. Take a trip. Go out into the world. Then come back and confidently create your own signature look.
Question: This passage is written here in order to _ .
Options: (A) encourage young people to travel (B) persuade young people to seek experience happiness (C) report the result of a series of researches (D) advise young people to save money
B

Article: I decided to go back to school in the fall of 2010 for not being happy with my current job and financial status. I got my Associate in May 2002 in commercial art. After graduation, I had trouble getting a job in that field. For years, I was going from one job to another, and I was not satisfied with unstableness . I decided to go back to school to study either international business or psychology . I weighed the _ of both professions and psychology won. I like helping my friends and family. When they are faced with hard situations in their life, I'd like to give them sound advice and be honest with them. Also, I was interested in the "mind". I searched for online schools because my work schedule would not allow me to study in a classroom. I was nervous about taking online classes because I had heard mixed stories from my friends who were taking online classes. I decided to do it anyway to experience something different. I wanted to find an online school that was affordable and believable. While I was doing the online search, I discovered Walden University, which is specially for working adults who want to have a bachelor's degree or higher. The process of getting accepted was easy, i.e. writing an essay on why I wanted to attend their school, sending my previous credits , etc. I am currently enrolled in the bachelor's program for psychology, and I am paying for college via financial-aid loans . This experience has been interesting and yet upsetting as sometimes it was difficult to balance work, school and home life. I have learned a lot about psychology and myself. For example, I like writing about current events, relationships and traveling. I thought my English composition was ordinary, but after taking a few classes at Walden University, I have improved my English composition and it has made me feel confident enough to start writing professionally. Now I am a freelancer and I am only three classes away from getting my bachelor's degree in psychology. It is one of the best decisions I have made in my life.
Question: What did the author study in the first place when he was in college?
Options: (A) Psychology. (B) Commercial art. (C) International business. (D) English composition.
B