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': 'Which of the following findings in a newborn suggests RDS \nSelect and explain. \nA. Onset after 6 hours of bih, B. Antenatal coocosteroid therpay in mother, C. Air bronchogram on chest X-ray, D. Term gestation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Air bronchogram on chest X-ray', 'role': 'assistant'}]