Generally in majority of children, the sequence of eruption of permanent teeth in mandible is____________?

Generally in majority of children, the sequence of eruption of permanent teeth in mandible is____________?

A. 1-6-2-3-5-4-7-8
B. 6-1-2-4-5-3-7-8
C. 6-1-2-3-4-5-7-8
D. 6-1-2-4-3-5-7-8