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: Forensic Medicine
[{'content': 'Anterior fontanelle closes by: AP 07 \nSelect and explain. \nA. 6 months, B. 1 year, C. 2 years, D. 3 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 2 years', 'role': 'assistant'}]