This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Pediatrics
[{'content': 'Continuous murmur is heard in? \nSelect and explain. \nA. Patent ductus aeriosus, B. Ventricular septal defect, C. Atrial septal defect, D. Tetralogy of fallot', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ALL OPTIONS: - PDA = Continuous murmur - VSD= Pansystolic murmur - ASD= Silent, wide fixed split of S2 is seen - TOF= Ejection Systolic Murmur', 'role': 'assistant'}]