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': 'Which of the following represents a soluble polysaccharide found in dental plaque and is formed from the fructose moiety of sucrose ? \nSelect and explain. \nA. Levan, B. Dextran, C. Amlyopectin, D. Hyaluronic acid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]