I think is Descriptive is a not one of the three major patterns of exposition.
B. If anybody claims the ring you found, you’ll have to give it to him or her.
Singular Indefinite Pronoun: “anybody”
Answer:
If she <em>has</em> her laptop with her, she <em>should</em><em> </em><em>email</em> me. I guess?
It shows the shock of the character.
That would be one point, not to sure about any others though.
Answer:
The answer is C Mary's face turned bright red when she realized