You will be given a definition of a task first, then some input of the task.
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".

He goes to one machine and grabs a long stick attached to a wire and begins creating sparks on an object. the man <sep> (A) then dances around the machine while sparks fly off of it occasionally. (B) flips the metal item high into the air with his stick. (C) sprawls out making sparks fly and ends with him holding a tire up in front of him. (D) then turns the voltage up and continue with his task.
Output:
D