A.)
You need to work quickly and decisively.
Reason:
They both end with -ly.
Answer: B. While both sides agree that processed foods are more convenient, the damage they do to a person's health should not be ignored.
"Finding common ground" means trying to find the areas in which both sides of a debate agree on. In this example, both sides on the debate on processed foods agree that this type of foods are more convenient. Finding common ground when addressing a counterclaim can ensure that both sides listen to the statement, instead of one side feeling alienated or ignored.
I don't think that is is motif or resolution. I believe it is either the exposition, because expostition can give you background info. on the story, in the beginning of the novel or work of fiction.