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: He pumps a pump and then fills it with water. He rubs chalk on the tire and puts glue on it. he <sep> (A) covers the tire with a tee shirt. (B) shows how to pull the tire back out. (C) puts the tire back on the wheel. (D) scrapes off the excess water onto the tire.
Output:
C