Which Sequence Represents the Correct Sequence for Implant Placement from Start

Which sequence represents the correct sequence for implant placement from start to finish?
1) The titanium implant is surgically embedded into the bone.
2) The abutment post or cylinder attaches to the artificial tooth.
3) The titanium abutment screw is screwed into the implant after osseointegration of the implant and during stage II surgery.

A) 1, 2, 3
B) 2, 1, 3
C) 1, 3, 2
D) 3, 1, 2