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': 'Holt oram syndrome is characterised by \nSelect and explain. \nA. ASD, B. Pulmonary stenosis, C. TGA, D. TAPVC', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Holt or am syndrome characterized by ASD. Ghai essential of pediatrics, eighth edition, p.no:401,table 15.7', 'role': 'assistant'}]