Which of the Following Numbered Events Represents the Correct Sequence

Which of the following numbered events represents the correct sequence of events of prokaryotic translation initiation? 1) Large ribosomal subunit binds to initiation complex.
2) Initiation tRNA binds small ribosomal subunit.
3) Initiation complex binds to ribosome recognition sequence on mRNA.

A) 1 → 2 → 3
B) 1 → 3 → 2
C) 2 → 1 → 3
D) 2 → 3 → 1
E) 3 → 2 → 1