This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'In leprosy, the best bactericidal agent is \nSelect and explain. \nA. Clofazimine, B. Dapsone, C. Rifamipicin, D. Ethionamide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer KDT 6/e p753. Best and the fastest acting drug for leprosy is Rifamipicin Clofazimine and Dapsone are bacteriostatic agents', 'role': 'assistant'}]