Bob Is a Clerk Working the Night Shift at a Convenience

Bob is a clerk working the night shift at a convenience store. Late last month he was a victim of an armed robbery. Although he wasn't hurt, he now becomes frightened whenever a man comes into the store at night. Bob is also experiencing flashbacks and has started having heart palpitations. He went to a doctor who referred him to a psychiatrist. His diagnosis was posttraumatic stress disorder. Which of the following terms best represents Bob's case?

A) Physical-mental
B) Mental-mental
C) Mental-physical
D) Physical-physical