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
[{'content': 'Gout can be precipitated by - \nSelect and explain. \nA. Calcium channel, B. Omeprazole, C. Thiazide diuretics, D. Digitalis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]