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: Pathology
[{'content': 'Teeth that erupt within 30 days of birth are called: \nSelect and explain. \nA. Neonatal, B. Natal, C. Primary, D. Prenatal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]