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: Pathology
Parotid fatty change is a sign of: 
Select and explain. 
A. Aging, B. Alcoholism., C. Malnutrition., D. None.
B: Alcoholism.
Answer: B: Alcoholism. 
Explanation: None