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]: Polar bears are best suited for (A) colder places (B) hotter regions (C) Jupiter's polar caps (D) northern desert regions
[A]: A

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

[Q]: What can melting glaciers deposit? (A) heaps of ice cubes (B) heaps of confused penguins (C) heaps of crystalline solids (D) heaps of coral reef
[A]:
C