Instructions: 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". 
Input: A man walks up and picks up a weight. He lifts it up to his shoulders and then over his head. a person <sep> (A) stands up and puts his fist in the air. (B) walks up and sits down next to him. (C) is standing behind him on a track. (D) stands by his table watching him.
Output:
A