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
Acrylic (cold cure) 
Select and explain. 
A. Melts at 100°C, B. Softens at 100°C, C. Still requires heat for polymerization, D. Produces heat during polymerization
D: Produces heat during polymerization
Answer: D: Produces heat during polymerization 
Explanation: None