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
The primary tooth which erupts at 6-8 months of age: 
Select and explain. 
A. Central incisor., B. Lateral incisor., C. Canine., D. 1st molar.
B: Lateral incisor.
Answer: B: Lateral incisor. 
Explanation: Sequence of eruption of primary teeth

A – 4-6 months
B – 6-8 months
D – 12-16 months
C – 16-20 months
E – 20-30 months