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': 'Major use of mifepristone in obstetrics and gynaecology is for management of: \nSelect and explain. \nA. Ectopic pregnancy, B. Molar pregnancy, C. Fibroid uterus, D. Threatened abortion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]