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: Surgery
[{'content': 'The resting uretric pressure - \nSelect and explain. \nA. 5-7 cm of H2O, B. 15-30 cm of H2O, C. 7-10 cm of H2O, D. 0-5 cm of H2O', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]