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: Surgery
[{'content': 'Best treatment for fracture neck femur in a 65 year old lady is \nSelect and explain. \nA. POP cast, B. Gleotomy, C. Bone grafting and compression, D. Hemireplacement ahroplasty', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Hemireplacement', 'role': 'assistant'}]