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.
Answer:
Sentry
Explanation:
Definition: a soldier stationed to keep guard or to control access to a place.
If you replace the word sentry with guard you would better understand the sentence.
I'm new it would help if you gave thanks :)
Answer:
It means to have achieved something to set a goal and get there. That's what it means to me.
Jane refuses to be obsequious. Another word for obsequious is obedient.
