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 rolling out dough on a counter. He cuts out round circles out of the dough. he <sep> (A) then uses a colored block to chip out the dough. (B) puts wax paper onto the end. (C) then sharpens the knife on the dough. (D) puts them on a cookie sheet and puts them in the oven.
D