The Correct Sequence for Homologous Recombination Steps Is

The correct sequence for homologous recombination steps is:
A.ligation.
B.branch migration and strand exchangE.
C.nicking.
D.EW or NS cleavage, resolution and re-ligation.
E.strand invasion.

A) B, C, E, A, D
B) C, B, E, D, A
C) D, C, B, A, E
D) C, E, A, B, D
E) C, A, B, E, D