This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': 'The most common type of total anomalous pulmonary venous connection is: \nSelect and explain. \nA. Supracardiac, B. Infracardiac, C. Mixed, D. Cardiac', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Supracardiac(Ref: Nelson's 20/e p 2211-2217, Ghai 8/e p 420-423)Remember, Most common type of TAPVC is Supracardiac and Infracardiac type of TAPVC is always obstructive", 'role': 'assistant'}]