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': 'The maximum life of the deciduous pulp including both prenatal and postnatal times of development\nand the period of regression is approximately \nSelect and explain. \nA. 8.3 years, B. 9.6 years, C. 10.6 years, D. 12.6 years', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]