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]: Nerves all have (A) microscopic parts (B) short arms (C) viable organs (D) liver transplants
[A]: A


[Q]: Humans contribute to environmental pollution (A) by purchasing products made from recycled products (B) by switching to energy efficient appliances (C) by leaving behind refuse on public beaches (D) by frequently recycling paper and plastic
[A]: C


[Q]: When a human's organs stop working and he stops breathing, that person (A) goes to Mcdonalds (B) perished (C) dances (D) plays
[A]:
B