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: Dental
Major fimbrial structural component of P. gingivalis is 
Select and explain. 
A. Kgr, B. KgP, C. Fim A, D. Fim C
C: Fim A
Answer: C: Fim A 
Explanation: None