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 young man is rappelling up the side of a cliff. Another man watches and helps from below. the man <sep> (A) continues climbing until he reaches the top. (B) is rappelling down the cliff using ropes. (C) makes a complete 360 turn in the air before coming back to the top of the cliff. (D) lets go from the rope, and is seen again.
A:
A