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: A man is engaged in a pool competition. he <sep> (A) dives in while a man waits to measure his distance. (B) shoots the stick at the balls, making them go into the corner pockets. (C) takes several slides and throws them before finally hitting and successfully hitting the ball. (D) swims over the hand rail letting go and diving into the pool.
Output:
B