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': 'True about lepra bacilli is - \nSelect and explain. \nA. INH inhibits their growth, B. Antileprosy vaccine can give life long protection, C. Mycobacterium leprae can be grown in foot pad of mice, D. Incubation period is 3-4 months', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]