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: Radiology
[{'content': "X-ray chest showing globular cardiomegaly with oligemic lung fields in a child is suggestive of \nSelect and explain. \nA. Tetralogy of fallot, B. TAPVC, C. Ebstein's, D. PDA", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. Ebstein's", 'role': 'assistant'}]