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: Orthopaedics
[{'content': 'The best treatment for fracture neck femur is a 65-year-old lady is - \nSelect and explain. \nA. POP cast, B. Gleotomy, C. Bone grafting and compression, D. Hemireplacement arthroplasty', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Here, closed reduction and internal fixation have not been provided as an option.\nSo, the best option is semi-replacement arthroplasty.', 'role': 'assistant'}]