Answer:
you are missing some commas
Explanation:
the sentence should be
The sun was just slipping below the horizon when aunt Nakki , who had ridden her camel from the sultry areas. to the south, arrived at our camp
The correct answer is b. if i'm not mistaken, that rose is the reddest of all.
This is the correct answer because reddest is a superlative form and does not require MOST to be used.
If you want to know whether that sentence is punctuated correctly, then you are right - it is.
You need to have a comma after the word range, because that is where the dependent clause ends, and there should be no comma before the conjunction and.
The sun smiled on me this morning.