You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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").

Deserts are in extremely dry environments, so liquids will naturally be (A) rainbow (B) plentiful (C) meager (D) talented
Solution: C
Why? This is a good example and the output correctly answers the question.

New input: Hardness of minerals may be measured in certain ways, such as what? (A) heating the minerals to high temperatures (B) applying pressure using a sharp, tough object in order to leave marks (C) hitting the minerals with a tougher stone (D) taking bits of metal and comparing the texture to the minerals
Solution:
B