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': 'All of the following are indicative of effective leprosy control programme except: \nSelect and explain. \nA. High new case detection rate, B. Increasing number of children affected, C. Decreased type 2 disability, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Increasing number of children affected', 'role': 'assistant'}]