D. is wrong. It should be "One hero in the animation field is Mel Blanc, the voice behind many cartoon characters." because the information after Mel Blanc is not necessary to the sentence. It's just extra, so you need a comma.
Objective. objective point of view is one were it is not biased or influenced by anyone or anything. hope i helped ^-^
A. Affixes
Hope this helped have a great day
The right answer is *None of the above* because Dickinson is saying that they went by the school (they "...passed the school...").