Q: 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".
A person is seen wearing gear and wandering around a grassy area. the man <sep> (A) drags a dog along with him in various scenes. (B) uses a tool to cut along the grass. (C) walks back and fourth while walking behind a car. (D) then stands next to a tree holding a surfboard and begins to rock back and fourth.
A:
B