You will be given a definition of a task first, then some input of the task.
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: Some people have very good memory and they can easily remember quite long texts. There are other people who can only remember things when they have said them again and again. The famous English writer Charles Dickens said that he could walk down any long street in London and then tell you the name of every shop he had passed. Many great men of the world have a wonderful memory. A good memory is greatly helpful in learning a language. Everybody learns his own language by remembering what he hears when he is a small child, and some children, like the boys and girls who live abroad with their parents, seem to learn two languages almost as easily as one. In school it is not so easy to learn a second language because the students have so little time for it, and they are very busy with other subjects too. A man's mind is like a camera, but it takes photos not only of what we see but also of what we feel, hear, smell and taste. When we take a real photo with a camera, Some people have very good memory and they can easily remember quite long texts.In the same way, there is much work to be done before we can keep a picture forever in our minds. Memory is a diary, and we all carry it about us. We keep things we have experienced in this diary.
Question: Which of the following is true?
Options: (A) Charles Dickens had a good memory because he was a famous writer. (B) People without a good memory cannot be great men of the world. (C) People became great because they have a good memory. (D) Many people may never become great though they have a good memory.
Output:
D