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 man is mowing his lawn around a tree in front of his house. he <sep> (A) jumps over a jump rope like contraption. (B) walks back and forth, avoiding the rocks. (C) is putting up with a lot of junk as he walks around. (D) is recording himself working out on a set of exercise equipment while being interviewed and shown close up.
A:
B