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 % of free monomer in a heat — cured acrylic resin is \nSelect and explain. \nA. 3% to 5%, B. 8% to 10%, C. 0.2% to 0.5%, D. 0.6% to 0.8%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]