You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to earn college credits in high school [title] Sign up for ap courses. [step] One way to get college credit in high school is to sign up for ap classes, which may overlap with dual enrollment classes. The advanced placement program (ap) is through the college board. <sep> (A) You will take courses in math, english, and science. The honors classes you receive in high school will help to give you advanced course credit, which can also help you reach your english final. (B) The program allows high school students to take classes with college-level work in a high school setting. At the end of the year, you take a test given by the college board, and if you make a high enough score, you can receive high school credit. (C) Students attending high school will take courses that cover a wide variety of subjects. These courses will help your electives get more advanced and can make it easier to participate in extracurricular activities. (D) This program puts you on the hook for ap credits in large part because it enables you to complete multiple courses in one year. These courses can allow you to stay up-to-date on college credits.
Output:
B