Cooper Is an Auto Mechanic at a Local Garage

Multiple Choice

Cooper is an auto mechanic at a local garage.However,he is convinced that his phone line is tapped and all the rooms in his house have listening devices planted,so that enemy agents can learn all his secret conversations.He never takes the same route to work two days in a row,to prevent the enemy agents from following him and learning where he works.In this case,it appears that Cooper is experiencing

A) hallucinations.
B) obsessions.
C) delusions of persecution.
D) loosening of associations.