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: ENT
[{'content': "Deafness is associated with all except - \nSelect and explain. \nA. Cockayne's syndrome, B. Alstrom's syndrome, C. Alport's syndrome, D. Abetalipoproteinaemia", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]