In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Q: A thermal insulator slows the transfer of what? (A) warmness (B) light (C) energy (D) liquid

A: A
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Q: A frog would most likely eat (A) a cockroach (B) another frog (C) a maple leaf (D) a mouse

A: A
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Q: Being a nonrenewable resource means coal (A) is highly sought after as an alternate energy source (B) can be replaced and replenished with enough time (C) the industry one day will cease to exist (D) is flourishing with an unending supply

A:
C
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