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
Generation time of lepra bacilli is - 
Select and explain. 
A. 12 days, B. 5 minutes, C. 10 hours, D. 24 hrs
A: 12 days
Answer: A: 12 days 
Explanation: Ans. is 'a' i.e., 12 days