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").

Leaving coconut oil out on a counter, as the day grows hotter, what happens to the oil? (A) changes from solid to wet (B) it hardens up a lot (C) it begins to rot (D) it needs to be refrigerated
A