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 a scoring system for severity of wound infection, and is paicularly useful for surveillance and research: 
Select and explain. 
A. APGAR score, B. Glasgow scoring system, C. Southamptom grading system, D. ASA classification
C: Southamptom grading system
Answer: C: Southamptom grading system 
Explanation: Ans is c. Southamptom grading system