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.
A because private must be built
Answer:
A. musicality
Explanation:
"Just as structure provides meaning in this poem, the musicality of the words provides meaning as well. Because the words are stripped of literal definitions, the reader can focus entirely on how the sounds of the words impact tone and understanding."
You have not given the options to choose from, but if Wikipedia is one of the answer choices, then it is most likely that.