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]: Why would a species camouflage as a dangerous animal? (A) to mate (B) to avoid crocodiles (C) to catch prey (D) to  build nests
[A]: B


[Q]: 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
[A]: A


[Q]: A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because (A) the owl is invisible (B) the mouse is oblivious (C) the mouse is blind (D) the owl matches its background
[A]:
D