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': 'All of the following can cause hearing loss except - \nSelect and explain. \nA. Measles, B. Mumps, C. Chickenpox, D. Rubella', 'role': 'user'}, {'content': 'Answer: C \nExplanation: “The most common postnatal cause of acquired SNHL is meningitis, while the most common prenatal cause is intrauterine infection (eg TORCH infections, syphilis, mumps, measles)”.', 'role': 'assistant'}]