I think the answer is A) The monster becomes bitter.
The best definition for "through-line: is: <span>a story or theme that reoccurs in the novel and binds the different stories together
A though-line is a theme that re-occurs throughout the entirety of a book or other story. The theme connects ideas, characters, morals, etc. A synonym could be a "thread" that runs through a story. </span>
Answer:
anything that made them look suspicious
Explanation:
