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: A person is celebrating a new baby and family is happily celebrating as well. The family is glad that the person who had the baby is (A) a corpse (B) a child (C) a monster (D) an adult
A:
D