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
[{'content': 'Drugs causing hypokalemia are : a) Amphotericin B b) Insulin c) Cyclosporine d) Carbenoxolone e) NSAIDs \nSelect and explain. \nA. ace, B. ac, C. abd, D. acd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]