Given the task definition and input, reply with output. 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 is seen pulling shades off of a window and removing the bars around the sides. another man <sep> (A) assists him by putting newer bars into the window as well as cutting the boards so they fit. (B) then swipes the bars off while still putting his shades on. (C) steps in and takes the bars and pulls in on the sides. (D) is seen following close behind and pulls on a rope.
A