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: An older man sits on an orange riding lawnmower. The man mows the yard in circles. the man <sep> (A) is talking as he mops. (B) stops mowing and pulls the mower forward. (C) stops to talk and then continues on his lawn. (D) jokes like he is out of control on the lawnmower.
Output:
D