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A person falsely perceives that his close friend has been replaced by an exact double. This phenomenon is referred to as: COMEDK 14 
Select and explain. 
A. Cotard syndrome, B. Fregoli syndrome, C. Capgras syndrome, D. Delusional perception
C: Capgras syndrome
Answer: C: Capgras syndrome 
Explanation: Ans. Capgras syndrome