This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Multibacillary leprosy has - \nSelect and explain. \nA. 5 lesions, B. Bacteriological index >=2, C. Indeterminate leprosy, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: <p> In MB leprory bacteriological index is more than 2. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:318-319. <\\p>', 'role': 'assistant'}]