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': "Plethoric lung fields are seen in all of the following conditions, except - \nSelect and explain. \nA. Atrial septal defect (ASD), B. TAPVC(Total anomalouspulmonary venous connection), C. Ebstein's anomaly, D. Ventricular septal defect", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Plethoric lung fields are seen in :- AS , VSD, PISA, TAPVC, Truncus arteriosus, single ventricle, TGA, hypoplastic left heart.', 'role': 'assistant'}]