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': 'All of the following murmurs may be heard in patients with aortic reugurgitation except - \nSelect and explain. \nA. High-pitched decrescendo diastolic munnur, B. Soft , low pitched middiastolic rumbling murmur., C. Mid-systolic ejection flow murmur, D. Pansystolic murmur.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]