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': 'Maximum chances of uretric injury are with: \nSelect and explain. \nA. TAH, B. Wertheims hysterectomy, C. Anterior colporrhaphy, D. Vaginal hysterectomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]