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
After a major oral surgery, acute catabolic phase lasts for? 
Select and explain. 
A. 1-2 days, B. 2-5 days, C. 4-7 days, D. 5-10 days
B: 2-5 days
Answer: B: 2-5 days 
Explanation: None