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': "A 40 year old lady with CIN III. Best management is : \nSelect and explain. \nA. Conisation, B. Weheim's hysterectomy, C. Total abdominal hysterectomy, D. Punch biopsy", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Total abdominal hysterectomy', 'role': 'assistant'}]