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 Lorothidol added in non-eugenol paste has the\nfunction of \nSelect and explain. \nA. Bacteriostatic, B. Fungicide, C. Accelerator, D. Preservative', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]