Answer:
Mitchell's gratitude helps his and Paul's friendship grow.
Explanation:
The answer here is B, because in the second paragraph, it says that the team never got the parts
Possibly to emphasize it, or to mark it as being sarcastic. You choose.
The author's attitude is the tone. This sets up mood, which is the reader's feelings toward the text. I often teach these together because they can be so confusing. Syntax is just the arrangement of words, which is often seen in poetry as this is where it is most effective. Diction is simply the choice of words, which is part of tone but not the full definition of tone. C is the correct answer.