The word "irrelevant" means to be unimportant or not related. Which detail from the presentation is irrelevant to the speaker's claim about wild animals as pets?

A. Financially, these animals are quite an undertaking, as they can consume exotic diets or enormous quantities of food and can require specific, complicated enclosures.

B. More people in America own fish than cats or dogs, though, and fish have relatively short life spans.

C. Wild animals can transmit parasites and diseases that are quite destructive to humans.

D. When their instincts take over, undomesticated animals that have been kept their entire lives can turn on their owners in a heartbeat.