Definition: 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 in on his knees in an empty room. he <sep> (A) is using a vacuum as he works on what he is creating. (B) is holding a tennis racket and showing how to use it. (C) is playing a set of bagpipes. (D) holds up a patch of carpet and starts talking.
Output:
D