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: Medicine
[{'content': "All of the following are X-linked disorders except - \nSelect and explain. \nA. Emery-Dreifuss dystrophy, B. Becker's dystrophy, C. Duchenne's dystrophy, D. Myotonic dystrophy", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]