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: Surgery
Intractable peptic ulceration with renal stones occurs in - 
Select and explain. 
A. Zollinger Ellison syndrome, B. Parathyroid adenoma, C. Milk, alkali syndrome, D. MEN I syndromeVicryl
D: MEN I syndromeVicryl
Answer: D: MEN I syndromeVicryl 
Explanation: Ans. is 'd' i.e., MEN 1 syndrome