Which of the following best describes an advantage of using subplot? a.
it presents authors with an ideal way to introduce theme.
b.
it allows authors to change the pace of a story.
c.
it gives authors a reason to introduce nonessential characters.
d.
it provides a place to use flashback.

B.It allows authors to change the pace of a story.

Explanation:

The subplot is a secondary plot that supports the main plot. The pace of the story is the speed if telling a story.

The subplot can develop the story in a different direction. It can include some other parts of the theme and story, some other aspects of characters and another story that is connected to main characters.

This another story about characters that can change the pace of a story. It can slow the pace because the subplot will bring new details or change the perspective of the character. The pace of the story can be also fast when in subplot is included a part that can explain some actions and behavings of characters.

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.

your awnser would be b.