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:
I'm telling you to not take the lasangna out of the oven because it's not ready yet!!
Explanation:
A. to record researched evidence
(They should also have the source of where you found the evidence on them)