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': 'Which one is not a feature of Leriches syndrome \nSelect and explain. \nA. Absent femoral pulse, B. Gluteal claudication, C. Continuous bruit over abdominal aorta, D. Impotence', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]