The writer uses A) metaphor here.
Clegg Simmons isn't really a cookie, it is an expression used to denote somebody really smart.
It has different traits of saying in a sentence
Pretty sure it's B I don't remember the proper rules of commas and the word "and" but it's either A or B
If you profit from your mistakes then you will prosper
The resolution, or the moment when everything is fixed, in this story is the final sentence, when Jilly realized that she knew much more that just how to not drown the mint.