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
Last step in fracture healing is: 
Select and explain. 
A. Haematoma, B. Callus formation, C. Remodeling, D. Consolidation
C: Remodeling
Answer: C: Remodeling 
Explanation: C i.e. Remodeling