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': "Globular heart with plethoric lung fields is seen in \nSelect and explain. \nA. TGA, B. TAPVC, C. Tricuspid atresia, D. Ebstein's anomaly", 'role': 'user'}, {'content': "Answer: A \nExplanation: Globular heart with plethoric lung fields - TGA\nGlobular heart with Oligemic lung fields - Tricuspid atresia, Ebstein's anomaly", 'role': 'assistant'}]