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
Which of the following is not a stage of progression of space infection: 
Select and explain. 
A. Inoculation., B. Abscess., C. Cellulitis., D. Isolation.
D: Isolation.
Answer: D: Isolation. 
Explanation: None