Its emphasises the writers message and keeps it constant, andstuck in the readers mind, so therefore the reader will want to read on due to the fact that they'd want to find out more about what is actually happening and it gets them hooked.
The lyrics in Justin Bieber’s song is it vary’s , I tried my best :) correct me if I’m wrong , I don’t really listen to Justin Bieber that much
Culminate is the closest possible synonym of those 3
I believe that that answer would be C.