Answer:
a demure person
it has the most positive connotation
C. Through Gregor's transformation into a hideous bug
I feel that the above mentioned topic sentence is a good topic sentence because it includes the author's opinion and a limited topic that tells the readers what the text is going to be about without outright telling them.
(For the second post, I think you're supposed to finish the topic sentence's paragraph.)
An adverb clause is a group of words that function as an adverb
