!!PLEASE I NEED HELP ASAP!! I WILL MARK THE FIRST PERSON TO ANSWER THE BRAINLIEST!!! But it has to be correct!!

Reggie hears voices telling him to jump out of a third-story window. No one else is there. This is an example of

A. a delusion.

B. anxiety.

C. post-traumatic stress disorder.

D. a hallucination