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': 'In self-cure acrylic resin, activator is: \nSelect and explain. \nA. Toluidine, B. Quaternary ammonium compound, C. Benzoyl peroxide, D. Tertiary amine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]