From my my experience this usually differs depending on the type of book it is, but I think the best choice is either A, to help the reader understand new concepts, or C., It allows the reader to focus on key ideas and information during the reading. I'd pick C though, since it's more in depth and makes more sense.
B. doesn't make that much sense unless the book is an argumentative or a persuasive book.
D. only applies to personal narratives. Nobody can understand a writer's personal experiences and attitudes otherwise.
Answer:
B. Replied
Explanation:
I huésped and got this know
would be an inappropriate piece of research writing because it mostly expresses an opinion rather than fact. They may think that basketball is "the dullest, most boring sport of all," while you may think that it's the best sport
