Given the task definition and input, reply with output. Given a prompt and four completions, select the completion that is the most plausible in continuing or answering the prompt. This task is designed to test common sense and has various categories ranging between idioms, negated statements, polysemy, subject referencing, and quantitative reasoning. Generate either Completion A, Completion B, Completion C, or Completion D.

Prompt: I don't like Windows system, so I
Completion A: check the heater system under my window
Completion B: stay away from the window in my room
Completion C: switch to Mac OS
Completion D: break my computer
Completion C