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".
Problem:The man has a pair of blue pliers in his hand and begins fixing the chain on the bike. once the chain <sep> (A) is on, he begins moving the pedal and demonstrates how the chain is operating. (B) is fully repaired, he sits on the bike and helps get of it and with a screwdriver here and there to undo it. (C) is fixed, the man crawls up the camera and begins permadden on the floor. (D) is in place the man inspects the front tire.
Solution:
A