This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Continuous murmur is found in (select three options): Question to be changed \nSelect and explain. \nA. AS combined with AR, B. Systemic A V fistula, C. PDA with reversal f shunt, D. Aoopulmonary window', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]