John had been married two times before he met Jane, who would become his third wife.

A. two times before he met Jane, who would become his third wife
B. two times before he met Jane, who would later become his third wife
C. twice before he met Jane, who would later become his third wife
D. two times before he met Jane, who would become wife number three
E. twice before he met Jane, who would become his third wife

Could anyone generally explain when we use past perfect?

OA E