Expository writing is meant to inform a reader about a certain topic. Because of this, D is the correct answer.
A is the answer because they follow that pattern
Explanation:
Scout takes Boo—“Mr. Arthur”—down to the porch, and they sit in shadow listening to Atticus and Heck Tate argue. Heck insists on calling the death an accident, but Atticus, thinking that Jem killed Bob Ewell, doesn't want his son protected from the law
You should always end on a note that’s likely to stick in the reader’s mind.