I think the last revision is the answer, as both are independent of each other and tell us two separate clauses in the same sentence
The correct answer here is the exposition.
Narrative consists of several stages and parts like the exposition, climax, falling action and resolution just to name the few. Exposition in particular refers to the putting in, that is inserting, important background information. It is also called incluing and it is an important for worldbuilding.
Could you post the passage?
