While transporting a patient with schizophrenia, he suddenly screams, "Do you see that snake? It is right next to you! Kill it!" How should you respond to this patient?

A) "Where do you see the snake? Can you describe its color? Do you see more than one?"
B) "There is not a snake in the ambulance. They could not live in here because there is no food."
C) "I do not see a snake; I see a stethoscope. I do not doubt that you believe you see a snake, though."
D) "What do you mean a snake? This is a new ambulance. I hope that it did not come with a snake!"

C) "I do not see a snake; I see a stethoscope. I do not doubt that you believe you see a snake, though."