Detailed 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".
Q: A lady is throwing freebies in a park. the dog <sep> (A) does tricks for the freebies. (B) walks through the park with the freebies in his mouth. (C) walks casually around the woman. (D) is fetching the freebies the lady throws.
A:
D