Answer: Fabio's attitude changed because he'd be in the parade.
Explanation: Fabio is excited to be able to participate in the parade. The focus of the question isn't on why he'd be in the parade or how? But on what makes his attitude change. Every other factor mentioned corroborates that he'd be participating in the parade.
From the very beginning of the scene, as Benvolio is trying to get Mercutio to go home, Mercutio very clearly is trying to instigate a fight. When Tybalt approaches, all he does is sass him and turn his words around into jokes and puns. He says "And but one word with one of us? couple it with <span>something; make it a word and a blow," this taunting of Tybalt shows how badly he does want to fight. </span>
Answer:
C. To prove that you read the book or article closely
Explanation:
When you use a quote from a book or article, or whatever you're reading, that shows that you read the book or whatever, which is what option C is saying.
<span>Many white Southerners wanted African American to remain as servants.</span>