The sentence which is punctuated correctly is:
<span>C - "The ambassador's entourage will arrive at half past six," Leah announced.
</span>
Leah's speech is enclosed in quotation marks to emphasize it. The word "ambassador" has a contraction to refer to "entourage" as the word it modifies.
I think it looks good but why do you have to include Minnesota native I don’t think it really matters
The answer is A: to inform readers about the grandfather's role in creating beet sugar. The speakers say they don't know what grandfather's invention did, but they inform about the result of him managing to turn the beet sugar lighter somehow, which he was able to sell to many buyers, from different places. <em>His creation of beet sugar</em> and and its selling brought him money that made possible for him to buy his freedom.