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: Behind the fence a man is riding a horse. He ropes a calf and throws it down onto the ground. he <sep> (A) stands on the fence holding the calf. (B) gets off of his horse and ties up the calf. (C) ties the legs of the calf and stands up. (D) brings the calf back on his horse.
Output:
C