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 cat sits on the bed licking its paw. it beings <sep> (A) the object moves up and down. (B) to be speaking to the camera via a audio link. (C) to rub its face every time it takes a lick of its paw. (D) quiet as it waits for someone to wake it up.
Output:
C