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
If a diabetic patient being treated with an oral hypoglycemicagent, evelopsdilutional hyponatermia, which one of the following could be responsible for this effect- 
Select and explain. 
A. Chlorpropamide, B. Tolazamide, C. Glyburide, D. Glimepride
A: Chlorpropamide
Answer: A: Chlorpropamide 
Explanation: None