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").

Input: Consider Input: Viruses are killed by objects used in a (A) backyard (B) bathroom (C) kitchen (D) living room

Output: C

Input: Consider Input: Humming birds may help the growth of (A) cars (B) buildings (C) ants (D) tulips

Output: D

Input: Consider Input: Mice live in holes where? (A) pastureland (B) lakes (C) oceans (D) skyscrapers
Output: A