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: Medicine
One of the characteristic bedside features of Korsakoff's psychosis is- 
Select and explain. 
A. Astereogenesis, B. Apraxia, C. Confabulation, D. Hallucination
C: Confabulation
Answer: C: Confabulation 
Explanation: None