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
Continuous murmur is found in (select three options): Question to be changed 
Select and explain. 
A. AS combined with AR, B. Systemic A V fistula, C. PDA with reversal f shunt, D. Aoopulmonary window
B: Systemic A V fistula
Answer: B: Systemic A V fistula 
Explanation: .