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: Dental
[{'content': 'In leprosy neural involvement occurs in what percentage of patients – \nSelect and explain. \nA. 30%, B. 60%, C. 90%, D. 100%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nerve involvement is universal (100%) in leprosy. However, 100% patients do not develop symptoms of neural involvement.', 'role': 'assistant'}]