I think it is c because a rhetorical question is <span>a question asked in order to create a dramatic effect or to make a point rather than to get an answer.</span>
Answer:
Maguire is an Irish surname from the Irish language Mag Uidhir, which is "son of Odhar" or "son of the dun or dark coloured one".
Explanation:
the tone is the attitude toward the subject.
I believe the linking verb is “will”. It’s linking the subject “the United States of America” and the predicate “be 300 years old!”