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
Magnan's symptoms is : 
Select and explain. 
A. Illusion, B. Delusion, C. Formication, D. Depersonalization
C: Formication
Answer: C: Formication 
Explanation: C i.e. Formification