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: Physiology
[{'content': 'Inulin clearance is equal to \nSelect and explain. \nA. 55 ml/min, B. 625 ml/min, C. 125 ml/min, D. 40 ml/min', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Inulin clearance is equal to about 125ml/min, which is the GFR.', 'role': 'assistant'}]