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: Microbiology
[{'content': 'Actinomyces viscous that initially colonises the PDL environment most likely attaches to the pellicle or saliva coated surface through? \nSelect and explain. \nA. Membrane protein, B. Heat sensitive protein, C. Fimbriae, D. Outer membrane protein', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]