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 patient has been seeking repeated admissions in various hospitals with a variety of symptoms. He had undergone appendicectomy, cholecystectomy, and other exploratory laparotomies on previous admissions. The most likely diagnosis is - 
Select and explain. 
A. Conversion reaction, B. Hypochondriasis, C. Munchausen syndrome, D. Ganser 's syndrome
C: Munchausen syndrome
Answer: C: Munchausen syndrome 
Explanation: None