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: Microbiology
[{'content': 'Generation time of lepra bacilli is - \nSelect and explain. \nA. 12 days, B. 5 minutes, C. 10 hours, D. 24 hrs', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 12 days", 'role': 'assistant'}]