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': 'Blalock and Taussing shunt is done between ________ to ________ . \nSelect and explain. \nA. Aoa to pulmonary aery, B. Aoa to pulmonary vein, C. Subclan aery to pulmonary vein, D. Subclan vein to aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Blalock-taussing shunt done between subclan aery& pulmonary aery using goretex graft. Ref : Ghai essential of pediatrics, eighth edition,p.no:422', 'role': 'assistant'}]