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.

Example Input: Article: Most students hate their endless homework. The students from Class 2, Senior 2 of the High School Affiliated to Peking University certainly did so before they published their own collection of English novels at home. Their small book contains stories about a holy war, the happy life of a self-taught artist and the story of a laid-off worker who devoted his last breath to playing his beloved accordion . The book becomes an instant hit on campus. About 3,000 copies have been sold and the class is already working on the second volume. "We're up to our ears in homework. Exercises and exams make us out of breath. But to do something creative and full of imagination is such a great achievement," said Yu Xiaoxiao, 16. "I took the writing as an ordinary homework at the beginning, but after I finished the first part of my story, I could not help but let it flow," said Wang An, who wrote "Accordion". Inspired by "Lord of the Rings", Jiang Lu wrote his story about magic wins between angels from the light and the dark side. "The main message of the story was to look at the balance of the world. Both dark and light angels fight with love as their weapons. I want to tell people that selfish love might bring hate," Jiang said. "I was shocked by their work and felt so proud to be the editor of my students' book," said Nathaniel Timmermann, the oral English teacher at the school. Liu Xiuqin, an English teacher, started the project by asking students to write whatever was in their mind every week. "They have performed beyond expectation," Liu said. "They wrote interesting stories and their English has improved after they started to express their real minds." "We never imagined that our homework would be so popular and profitable . We sell the novels at five yuan, but many teachers pay more to encourage us," said Yuan Mengyao.
Question: After Wang An finished the first part of his story, he _ .
Options: (A) couldn't go on (B) had to put aside (C) just wanted to express it freely (D) lost it
Example Output: C

Example Input: Article: Charlotte's Web by E.B. White is a children's book. As the story opens,eight-year-old farm girl Fern Arable stops her father from killing a baby pig who is weaker than his brothers and sisters.The little pig,Wilbur,becomes one of the main characters in the story.Later he will be treated as a friend by Charlotte,a wise and loving spider living on the same farm.Wilbur slowly realizes that the farmer will kill him for his meat in a few months ,and Charlotte decides to help him out.She tries many things to keep Wilbur alive.She writes words in her web describing how wonderful Wilbur is and this makes the farm famous. White creates a sort of modern animal fable ,in which animals can speak both with each other and with Fern.Also there are many great characters in this book. The society of animals has many lessons to teach children and adults:friendship,sacrifice ,hope,determination,love,duty,fairness,respect,and many more. Part of this novel's success is the fact that the author makes a heroine out of a spider,a creature that many people probably dislike.Unlike a lovely little pig or other creatures,a spider is a creature greatly different from humans.White's Charlotte is a truly wonderful character.He tells the story of Charlotte and her friends in a special way.This is a book that no one could ever dislike.It has much to offer to children as well as to older teens and adult readers.
Question: According to the descripion of the book,Charlotte _ .
Options: (A) is a nice and clever spider (B) often teaches her friends good lessons (C) always sacrifices herself for her friends (D) is disliked by many animals around her
Example Output: A

Example Input: Article: Getting close to active or erupting volcanoes can be dangerous. But for Michael Rampino, it's all in a day's work. Rampino is a volcanologist, a scientist who studies volcanoes and how they affect our planet. Rampino has been close to red-hot lava flows in Hawaii and explosive volcanoes in Indonesia. He knows when to get close to an active volcano and when to back away. Rampino wasn't always a volcanologist. He worked for NASA for seven years. He studied rocks until he began to research climate change and the effects that volcanoes have on climate. He became interested in the subject. "Once I started working with volcanoes," Rampino said, "I was _ ." Rampino is a professor at New York University. As part of his job, he travels to areas where volcanoes have been active. "Active" means they have erupted within the past few centuries and probably will erupt again. Rampino studies the deposits of ash and other materials from the eruptions. The ash may hold clues to what happened to the Earth in the distant past. It may also help scientists predict what could happen to Earth's climate in the future. Rampino doesn't work alone. He works with a team of scientists who use computers to stimulate the effects volcanoes have on Earth's atmosphere. Being a volcanologist may be hard work, but it's also fun. "It's cool traveling the world studying volcanoes," Rampino says. When he talks to students about his work, he tells them that his goal is "to understand the events that have shaped Earth's history."
Question: To Rampino, being close to active volcanoes is _ .
Options: (A) adventurous but meaningful (B) scary but necessary (C) impossible and unnecessary (D) dangerous but urgent
Example Output:
A