Given the task definition and input, reply with output. 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".

A gym is shown and a large crowd of students is watching a person doing flips and throwing her baton over the floor. as the routine <sep> (A) progresses, the girl begins throwing the baton in a beam with round green objects on the sides, followed by several others performing flips with short curlers, tumbling rope and others demonstrating of the moves. (B) continues, she does doing splits and throwing the baton up in the air. (C) begins, a man in a white shirt on the floor does the splits before stepping and then to the side. (D) ends a man shows his arms.
B