instruction:
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.
question:
Article: Growing up in Puerto Rico, our family was no different from so many others. My parents got married after my father came back when the war ended. Both of my parents were struggling with the hard economic realities of the time. But somehow, they found time to cherish those cultural values that shaped our everyday life. In our daily life, we celebrated together with our friends or family members every birthday, every graduation, and all holidays with music and dancing, typical foods. When we visited our family in the countryside -- a trip that took about two hours in a car, with five children fighting as to who would get a window or the front seat -- we would break into song, and somehow the trip would turn into one full of happiness and fun. We would sing not only interesting children's songs but also beautiful love songs -- songs about the love of the country though we didn't understand the meaning of the words many times. I came to Philadelphia for the first time in 1973 to do a residency in family medicine. I remember the many hours of work. I was facing issues of life and death and suffering the clearly social unfairness and issues of poverty and race. These were all aggravated by my feeling of cultural differences. An important turning point in my life happened one Saturday night when I attended a concert of Puerto Rican singer and composer Antonio Caban Vale. The music showed my familiar rhythms, and the words spoke to my heart. I had found a space to express, celebrate, and share my culture in Philadelphia. Therefore, I believe diversity is seen as an advantage and not as a disadvantage. As a Puerto Rican, I am a mixture of races and I believe in my strength because of this.
Question: What do we know about the author's parents?
Options: (A) They lived a well-off life. (B) They were famous in Puerto Rico. (C) They had different cultural values. (D) They took cultural values seriously.
answer:
D

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Article: It is a reply to a letter written by Zhai Mingjun, a 16-year-old girl in the class. The two astronauts thank the student for her concerns and wish the class luck in their future studies. "I' m so happy that the two space men replied with a few encouraging words," said Zhai. Her letter was one of the 10 winning letters taken into space by Fei and Nie, who have succeeded in traveling space in the Sixth Shenzhou Spaceship. Zhai wrote the letter as if she were a younger sister of the astronauts. "As the single child in my family, I always hoped that I would have an elder brother that I could be proud of," Zhai said. "I thought that the astronauts would be lonely during such a long space trip. I hoped they would feel happy and warm when reading my letter." Many of Zhai' s classmates also wrote their words of encouragement and admiration to the astronauts. "The letter to the astronauts made us believe that we can also be part of the manned space programme," said Zhao Dongxu. All the students have high expectations for China' s future space programme. "I heard that Snoopy is the mascot for US astronauts. I hope I can design a mascot for our heroes," said Liu Mengjie, 16. "A physics class taught by astronauts in outer space would be very interesting. I want to be the astronaut who teaches students about zero gravity with my head upside down in the spaceship," said Han Yinan. Many students think that the manned space program is still far away from them. But they feel proud that ordinary students could participate in such a great scientific achievement and hope there will be more possibilities to take part.
Question: The best title of this passage can be _ .
Options: (A) The mascot (B) A reply from space (C) The manned space program (D) The letter to the astronauts
answer:
B

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Article: NOT all math skills are learned in the classroom. Some of them come naturally. Consider the split-second calculations you make when you estimate the number of empty seats on the school bus or the number of cookies in a cookie jar. These estimates can often be done without counting. That's because humans are born with the ability to closely guess the number of items in a group. Researchers call this ability a person's "number sense". To see how a person's inborn number sense might be linked to mathematical performance in the classroom, psychologist Justin Halberda and his colleagues from Johns Hopkins University in prefix = st1 /Baltimore,USran some tests. The scientists asked 64 14-year-olds to look at images of yellow and blue dots that flashed on a computer screen for a fraction of a second. Each image contained between 10 and 32 dots that varied in size. Some images contained twice as many blue dots as yellow dots. In other images, however, the number of blue and yellow dots was nearly equal. For each image, the students were asked to estimate which color1 had more dots. The scientists found a wide variation in how well students could pick the color1 with the most dots. The scientists then looked at the students' math scores dating back to kindergarten. Children that performed best in the image test also scored the highest in standard math tests. The same finding held true at the other end of the spectrum . Students who didn't score well on the image test received lower math scores. The study was the first to show a link between a person's inborn number sense and his or her achievement in formal math training. Does this connection mean that one cannot be good in math if they have a weak number sense? Or that having a strong number sense is a guarantee for good grades in math? The answers are not clear. While scientists continue looking at the possible links between a person's number sense and math achievement, one thing is certain: Doing lots of math homework will _ your chances of success.
Question: Which of the following is not true according to the passage?
Options: (A) Everyone has an inborn number sense. (B) Those who have a strong number sense are sure to do well in math. (C) Some of the math skills are inborn. (D) Doing a lot of math exercises may help to learn math well.
answer:
B