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: if a river ran through a region, what would be found close by? (A) land mass susceptible to water encroachment (B) active life coral reef (C) acid rain susceptible area (D) very active volcanic mountains

A: A
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Q: If you had a telescope what is something meant to be viewed by it? (A) Greater Pewee (B) Vibrio (C) Alcor (D) Heisenberg

A: C
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Q: Depending on the type of bird, it could have different what when compared to another bird (A) restaurant (B) nothing (C) space (D) sustenance preferences

A:
D
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