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]: The basic outside of our planet is comprised of (A) types of stone (B) frozen green grass (C) solid ice balls (D) molten hot lava
[EX A]: A

[EX Q]: Where would a hare live? (A) in the zoo for its safety from sharks (B) a field for sustenance (C) space for its low gravity (D) a desert for its high temperatures
[EX A]: B

[EX Q]: Porpoises move fastest in (A) dungeons (B) lava (C) deserts (D) saltwater
[EX A]:
D