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
Femoral neck fracture of three weeks old in a young adult should be best treated by one of the following - 
Select and explain. 
A. Total hip replacement, B. Reduction of fracture and femoral osteotomy with head, C. Prosthetic replacement of femoral head, D. Reduction of fracture and multiple pin or screw fixation
D: Reduction of fracture and multiple pin or screw fixation
Answer: D: Reduction of fracture and multiple pin or screw fixation 
Explanation: Up to 3 weeks, treatment of choice for fracture femoral neck in a young patient is closed reduction and internal fixation by multiple screws.