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': 'Final finishing of composite resin is usually done \nSelect and explain. \nA. At the same time when restoration is placed, B. 24 hours after restoration is placed, C. 48 hours after restoration is placed, D. after 1 week of placement', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]