This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
[{'content': 'Average duration of treatment in multibacillary leprosy is \nSelect and explain. \nA. 1 year, B. 2 years, C. 3 years, D. Life long', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Duration of treatment for multibacillary leprosy is 12months which include 12 monthly pulses of rifampicin , clofazamine and dapsone. 12 pulses should be completed in 18 months. iadvl textbook of dermatology page 2084', 'role': 'assistant'}]