Definition: 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".
Input: A man in a black coat is shoveling snow with a shovel. He picks up a large shovel full of snow and tosses it next to him. he <sep> (A) continues shoveling the driveway. (B) then steps over to pick up a larger shovel. (C) throws his foot into the snow and gets down. (D) moves the snow tower and continues shoveling.
Output:
A