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
All are true about Huntington's disease except - 
Select and explain. 
A. Chorea, B. Behavioral disturbance, C. Early onset of memory loss, D. Cog- wheel rigidity.
C: Early onset of memory loss
Answer: C: Early onset of memory loss 
Explanation: None