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
Senile plaques in brain is a feature of 
Select and explain. 
A. Multiple sclerosis, B. Parkinsonism, C. Alzheimer's disease, D. Wilson's disease
C: Alzheimer's disease
Answer: C: Alzheimer's disease 
Explanation: None