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: Quartz can very easily damage (A) smelted silica (B) granite (C) diamonds (D) steel

A: A
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Q: An exertion on a thing that is going against the thing's intended direction, when in motion will (A) melt it (B) oppose it (C) speed it up (D) burn it

A: B
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Q: Viruses are killed by objects used in a (A) backyard (B) bathroom (C) kitchen (D) living room

A:
C
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