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]: What will air usually do when heated up beyond a certain point? (A) it will fall (B) it will remain (C) it will ascend (D) it will die
[A]: C


[Q]: harming an animal species causes that animal 's population to do what? (A) explode (B) rise (C) plummet (D) burst
[A]: C


[Q]: If a bright thing in the sky that is something other than our Sun does something in just under a month, it is likely (A) the stars rising (B) the Sun burning (C) the air dying (D) luna cycling
[A]:
D