Question

An effective plot line that moves the story forward should include which element

Answer 1

"Foreshadowing that higs at what's coming next." Just did this question on apex and it was correct. :-)

Step-by-step explanation:

Answer 2

Surprise perhaps.
Character enlightenment
Discovery of something that was not known before (mysteries thrive on this sort of thing).
Serious conversation that reveals something about the person talking.

If you give us the choices you have, I will add to your details part, because I doubt I can edit this.