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: Social & Preventive Medicine
[{'content': 'M.C. complication of mumps in children is \nSelect and explain. \nA. Aseptic meningitis, B. Pancreatitis, C. Pneumonia, D. Encephalitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]