Even though technically all of these answers are correct, I still have to pick one as the incorrect answer. So, my answer is C. an adverb can be a noun. A and B are definitely correct - adverbs are indeed words that describe verbs and tell us more about them (he runs <u>fast</u>). D is also correct as the word really is an adverb that modifies the adjective handsome. So we are only left with C as the correct answer.
The answer is the midpoint because halfway through our stories, something marvelous happens. you have to keep on going to get to the point where the author wants you to get to.