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
[{'content': 'The process of primary colonizing bacteria adhering to tooth surface providing new receptors for attachment other bacteria is known as \nSelect and explain. \nA. Attachment, B. Translocation, C. Co-adhesion, D. Biofilm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]