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': 'A child after 4 weeks of birth acyanotic, ejection systolic murmur detected causes are/is – \nSelect and explain. \nA. V.S.D., B. P.D.A., C. Coarctation of aorta, D. All of these', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]