Post traumatic would be a disorder that includes flashbacks.
Generalized anxiety disorder would be experiencing frequent and intense fear.
Obsessive-compulsive is an extreme fear of a specific object or situation such as, you see one book with the pages facing outward and the rest have their spine showing.
Answer:
Try to change the client's delusional belief
A sign on the road, it could be multiple colors.
C. the pleasurable feeling from eating a good meal