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: Social & Preventive Medicine
[{'content': 'In multibacillary leprosy, the follow-up examination after adquate Rx should be done early for - \nSelect and explain. \nA. 3 years, B. 5 years, C. 10 years, D. 2 years', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]