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': 'To prevent porosity in self-cure acrylic resin, curing should be carried in: \nSelect and explain. \nA. Cold water, B. Hot water, C. Under tap water, D. Under vacuum pressure', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]