Is the question "What singer became despondent over the death of Freddie Prinze , quit show business , and then quit the business ?" asking about an entity, an abbreviation, a description, a human, a location, or a numeric entity?

Possible answers:
(A). description;
(B). entity;
(C). abbreviation;
(D). human;
(E). numeric;
(F). location;
(D).