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': 'Treatment of choice in fracture neck of femur in a 40?year old male presenting after 2 days is \nSelect and explain. \nA. Hemiahroplasty, B. Closed reduction and Internal fixation by cancellous screws, C. Closed reduction and Internal fixation by Austin Moore pins, D. Plaster and rest', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Closed reduction & internal fixation', 'role': 'assistant'}]