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: Pediatrics
[{'content': 'All of the following are features of mumps, except – \nSelect and explain. \nA. Caused by paramyxovirus, B. Aseptic meningitis is a complication in children, C. Orchitis is a complication in adults, D. Incubation period is less than 2 weeks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]