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: Who is most likely to die of old age? (A) adults (B) children (C) infants (D) reasonable high-school students

A: A
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Q: Cows know there is salt in a mineral lick because (A) they have receptors on their tongue that allow them to experience spice and seasonings (B) a cow in the ocean told them it was there (C) it's on their side of the pasture's fence (D) they evolved where there were great redwood trees

A: A
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Q: If an environment experiences a long drought (A) animals will experience a boom in reproduction (B) ponds may dry up and kill off the fish population (C) tadpoles will mature faster into frogs (D) plants will continue to flourish

A:
B
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