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: Gynaecology & Obstetrics
[{'content': 'Commonest site of injury of the ureter in hysterectomy \nSelect and explain. \nA. Where it enters the bladder, B. Crossing by uterine aery, C. Where it enters the pelvis, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Where it enters the pelvis', 'role': 'assistant'}]