Answer:
The main benefit of a frame narrative is to tell a story (whether it be the entirety of the book or individual stories throughout) using the voice of a specific character who exists outside the confines of the story.
Hope this helps!!
~gloriouspurpose~
The answer would be the 4th answer choice - after drafting - because it makes the most sense. Hope this helps.
An allusion. The basic definition is on google if you need to fact check this! (: