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': 'Bronchitis in children is caused by - \nSelect and explain. \nA. H. influenzae, B. R. S.V., C. Mycoplasma, D. Influenza virus', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Influenza virus o Bronchitis refers to nonspecific bronchial inflammation. o Acute bronchitis is a syndrome, usually viral (influenza) in origin, with cough as a prominant symptom.", 'role': 'assistant'}]