You will be given a definition of a task first, then some input of the task.
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".

A man sits on carpeted stairs and talks to a camera while pointing to the creases in the stairs. the man <sep> (A) starts ironing a yellow shirt while walking to the bed. (B) counts them and clears them before starting to climb. (C) pulls out a knife and starts pulling the carpet away from the stairs with his gloved hands. (D) puts his shoes on the stairs.
Output:
C