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
The site of lesion in Korsakoff's psychosis is 
Select and explain. 
A. Frontal lobe, B. Corpus striatum, C. Mammilary Body, D. Cingulate gyrus
C: Mammilary Body
Answer: C: Mammilary Body 
Explanation: C i.e. Mammilary body