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: Forensic Medicine
A middle aged person presented with the complaints of fear of leaving home, fear of travelling alone and fear of being in a crowd. He develops marked anxiety with palpitations and sweating, if he is in these situations. The most likely diagnosis is: AIIMS 06; NIMHANS 11 
Select and explain. 
A. Generalized anxiety disorder, B. Schizophrenia, C. Personality disorder, D. Agoraphobia
D: Agoraphobia
Answer: D: Agoraphobia 
Explanation: Ans. Agoraphobia