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
The most impoant factor in fracture healing is: 
Select and explain. 
A. Good alignment, B. Organization of blood clot, C. Accurate reduction and 100% apposition of fractured fragments, D. Immobilisation
D: Immobilisation
Answer: D: Immobilisation 
Explanation: D i.e. Immobilization