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: Pathology
[{'content': 'Streptococcus mutans produces an adhesive poLymer from sucrose, known as \nSelect and explain. \nA. Levans, B. Lectins, C. Glucans, D. Polyfructans', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]