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 adenomyosis : \nSelect and explain. \nA. Estrogens, B. Estrogens and progesterones, C. Total hysterectomy, D. Laser', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Total hysterectomy', 'role': 'assistant'}]