A makes the most sense in this question :)
Your answer is A
Hope this helped!!
-Alex
"Friction" seems to be the word
<span>A nonfiction book about the history of the Civil War is an example of expository writing. The main purpose of expository writing is to convey information about an issue, method, subject, or an idea and explain it in a logical and straightforward manner. The most common example of this are newspapers, instruction manuals, encyclopedia, textbooks and essays.
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The city lies on the River Arno, and It is known for its history and its importance in the Middle Ages and the Renaissance, especially for its art and archetecture.
I believe Your answer is D