Answer:
Correct answer is C. hallucination.
Explanation:
This is a hallucination because that man doesn't exist, or to be more precise he is the one that created him.
D is not correct because when you have a delusion, as delusion is a false belief.
A is not correct because amnesia refers to forgetting details, not seeing people that don't exist.
B is not correct because when someone is worried about the things that don't exist.
