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").

[EX Q]: Two females usually can produce (A) children (B) a progeny (C) offspring (D) nothing
[EX A]: D

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

[EX Q]: What is more likely to have caused pollution in the air? (A) it developed on its own (B) a hurricane (C) an action by a business (D) a flock of birds
[EX A]:
C