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: Pharmacology
Which of the following drugs is used to treat both diabetes mellitus and diabetes insipidus 
Select and explain. 
A. Chlorpropamide, B. Glibenclamide, C. Glicazide, D. Glipizide
A: Chlorpropamide
Answer: A: Chlorpropamide 
Explanation: None