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".

The man in yellow shirt took out his tools from his pocket, he took off the bike wheel from the bike, pull out a yellow tool, insert it between the rubber and metal, removed the rubber inside the tire, tried to find the hole, took a square cloth, wipe the tire, then put the sticker, he pumped the rubber then put it back in the tire. the person <sep> (A) latex the tire and vacuum it while the man in orange shirt sat outside. (B) talked for several seconds, put the rubber stamped on the tire and not remove it, put the folded cloth back in the empty slot, put the wrench in it three times and put it on the tire. (C) screw the wheel back to the bike. (D) is down to a flat tire doing manual pedal aerobics.
C