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: Tom was making a mountain out of a molehill regarding a small argument. Tom
Completion A: was arguing about a large hill on his lawn.
Completion B: was staying calm about an argument.
Completion C: was turning an unimportant argument into a big deal.
Completion D: hated moles in the hill he lives next to.
Completion C