This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A fifty year old male feels uncomfortable in using the lift, being in crowded places and traveling. The most appropriate line of treatment is - 
Select and explain. 
A. Counselling, B. Relaxation therapy, C. Exposure and response prevention, D. Covert sensitization
C: Exposure and response prevention
Answer: C: Exposure and response prevention 
Explanation: Uncomfortable feeling in using lift, crowded place and traveling suggests the diagnosis of Agoraphobia. Behavior therapy is the treatment of choice. Systemic desensitization and exposure with response prevention are two most commonly used behavior techniques.