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").
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Question: The circulatory system is so long it (A) could be wrapped around the earth (B) is the length of a horse (C) is the length of the universe (D) is the length of the universe

Answer: A


Question: If one mineral can scratch another mineral then that other mineral is softer than that one mineral, as can be tested with (A) a diamond and steel (B) a rock and glass (C) a diamond and agate (D) a ruby and salt

Answer: C


Question: A camouflaged creature in a patterned room will be (A) quick to spot (B) fast to locate (C) rough to spot (D) easy to see

Answer:
C