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: Pediatrics
[{'content': 'Tetralogy of fallot is characterized by following except – \nSelect and explain. \nA. AS, B. VSD, C. Over–riding of aorta, D. Infundibular constriction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]