The correct answer is their. Because his or her wouldn't make sense because it says they, his also wouldn't make sense for that reason, and the other form of there means for example, "over there"
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:
In explanation
Explanation:
Use complete sentences
Use proper grammar
Avoid slang
Hope this helped, and please mark as Brainliest <3
