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: A person in a gray jacket and no shoes is shoveling snow from a driveway. another person behind them <sep> (A) , climbs a ladder to get snow off their yard. (B) is holding a snow shovel. (C) is talking, they pass various trees with lights burning in them. (D) snowmobiles and goes down a hill and turns around.
A:
B