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
20 permanent teeth and 8 temporary teeth are seen at the age of : 
Select and explain. 
A. 10 years, B. 11 years, C. 9 years, D. 12 years
A: 10 years
Answer: A: 10 years 
Explanation: A i.e. 10 years