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
Which one of the following causes acute pancreatitis in the non-alcohol abuser 
Select and explain. 
A. Thiazides, B. Hypercalcemia, C. Hypercholesterolemia, D. Gall stones
D: Gall stones
Answer: D: Gall stones 
Explanation: None