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: Medicine
[{'content': "Congenital heart disease associated with decreased pulmonary blood flow -a) Truncus arteriosusb) TAPVCc) Ebstein's anomalyd) Complete TGAe) Single ventricle with pulmonary stenosis \nSelect and explain. \nA. a, B. b, C. ce, D. ae", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]