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 man prepares himself on a dock to go water skiing. He launches into the water as the boat guns off. the man <sep> (A) goes down a small waterfall at high speed. (B) runs and jumps off the dock to drink a cup of water. (C) rhythmically mounts the wide, flat-bottomed ski. (D) holds onto the rope while gliding through the water, looking very confident and skilled.
A:
D