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': 'Treatment of carcinoma cervix stage III B is : \nSelect and explain. \nA. Radiotherapy, B. Chemotherapy, C. Surgery, D. Radiotherapy and chemotherapy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Radiotherapy and chemotherapy', 'role': 'assistant'}]