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': 'What should be the first treatment for an acutely avulsed tooth? \nSelect and explain. \nA. Gently replace with finger using light pressure, take radiograph and splint, B. Sterlize the root and reimplant, C. Pulp protection, D. Immediate endodontic treatment and reimplant', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]