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: The man on stilts shows how fast he can run while on the stilts as well as jump high up. while he <sep> (A) is on the stilts he is in a roofed roofed gym. (B) is down, a man stands on the side and shows how the man can throw his legs up with slow motion. (C) 's running on the stilts, his friend drives alongside him in a car. (D) talks, he picks up three other people and feet and try to pole vault high into the air and lands on the sidewalk.
Output:
C