Detailed Instructions: 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".
Q: He finishes the cube and sets it on the desk and quickly stops a timer. He grabs the cube again and begins to complete it. he <sep> (A) asks his friend when he can finish. (B) picks it up and faces the camera again. (C) finishes again and starts another game of the cube. (D) picks up the blue cube and resumes talking.
A:
C