This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'All of the following drugs are useful in nephrogenic diabetes insipidus; except \nSelect and explain. \nA. Amiloride, B. Indomethacin, C. Chlorpropamide, D. Thiazide diuretics', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]