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': 'Most common complication of measles in children \nSelect and explain. \nA. SSPE, B. Pulmonary Hypertension, C. Otitis media, D. Oophoritis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]