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
Best treatment for fracture neck femur in a 65 year old lady is 
Select and explain. 
A. POP cast, B. Gleotomy, C. Bone grafting and compression, D. Hemireplacement ahroplasty
D: Hemireplacement ahroplasty
Answer: D: Hemireplacement ahroplasty 
Explanation: D i.e. Hemireplacement