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': 'Pulp vitality in case of trauma is: \nSelect and explain. \nA. Recheck after 10-15 days, B. Within 24 hours, C. Within 1 week, D. Within 4-5 days', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]