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".
Q: A man is standing under a basketball goal. A group of boys is listening to the coach. They begin warming up by doing lay ups. the boys <sep> (A) then begin to doingle to each other. (B) jump on the goal then their coach. (C) line up, prepared to play the game. (D) do a layup shot on the ball.
A:
C