Definition: 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: Then, a man does water ski in a lake pulling by a boat. The man falls from the skis to the water, then he continues water skiing. a man <sep> (A) kayaks in the lake, while the kayaker' pass tables that hold green sheets. (B) pretends to ski in lake, then he continues water skiing. (C) is in the water and stands on a circle surfboard but falls while other people are water skiing. (D) sinks in the water walking on the shore.
Output:
C