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]: A plastic toy reduced to a puddle was left on a (A) steep mountain (B) iceberg (C) government propaganda flick (D) hotplate
[EX A]: D

[EX Q]: do all insects have to undergo every stage of change before becoming full grown? (A) all of these (B) insects are born live (C) pupa stage is sometimes skipped (D) pupa is a required stage
[EX A]: C

[EX Q]: How low must be a population of some species drop before it is extinct? (A) fifteen (B) ten (C) to nothing (D) eighty
[EX A]:
C