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".

A large marching band are seen standing in the middle of a lawn. the middle of the group <sep> (A) speaks to the camera followed by more marching band performers. (B) rides around on horses around a track. (C) begin to play followed by the rest around them. (D) begins to move their body and a band they are playing plays behind them.
Output:
C