Answer:
A. key points
Explanation:
a summary is for the audience to quickly grasp the entire article/story/passage(etc.), it should be short and sweet, consisting only of the key points. your personal opinions are not required. background information is unessential, because it would cause your summary to be too long, and summaries are meant to be short so as to bring out the main topics only, not cover the entire passage. minor examples are optional to include, but not needed as well.
I believe the answer is A but i am not completely sure
1830's-1840's is when The Adventures of Huckleberry was set
Greets change is great because he is gretes
