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': 'In a child 1 years the commonest cause of resp. Infection with wheeze is – \nSelect and explain. \nA. RSV, B. Influenza viurs, C. Adenovirus, D. Para influenza', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Wheezing due to respiratory tract infection in a 1-year-old child is due to bronchiolitis.', 'role': 'assistant'}]