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: speed is a measure of how fast all these move but (A) a person waiting (B) a fish swimming (C) a dog running (D) a bird flying

Answer: A

Question: A telescope uses what to redirect light (A) money (B) shiny glass (C) lasers (D) people

Answer: B

Question: What happens when man moves into new environments? (A) native species go wild (B) native species thrive more (C) native species grow large (D) native species loses home

Answer:
D