Delmar believes that he has been sent to Earth to save mankind. He believes that women are evil and that any male who speaks to, or associates with, a female is doomed to a life as a servant to the female's wishes. He often tells you of his grand plan to save males from the influences of the female. Nothing you say or do will convince him that his ideas are untrue. What is Delmar demonstrating?

a. hallucinations c. delusions
b. stupor d. waxy flexibility

C