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]: A learned characteristic could be (A) Eye color (B) a cartwheel (C) freckles (D) Hair color
[A]: B


[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]: Bacteria (A) is lacking in any benefits to an organism (B) is unable to infect any organisms (C) can be beneficial and detrimental to an organism's health (D) is always harmful to an organism
[A]:
C