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: Pharmacology
[{'content': 'A 52 year–old postmenopausal patient has evidence of low bone mineral density. She and her physician are considering therapy with raloxifene or a combination of conjugated estrogens and medroxyprogesterone acetate. Which of the following patient characteristics is MOST likely to lead them to select raloxifene? \nSelect and explain. \nA. Previous hysterectomy, B. Recurrent vaginitis, C. Strong family history of breast cancer, D. Troublesome hot flushes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]