Answer:
Example 1: She has a bubbly personality. This metaphor is saying that the girl is cheerful and happy. It's comparing the girl and her personality.
Example 2: He's buried in a sea of homework. This metaphor is saying that the boy has a large amount of homework and can't do anything else. It's comparing the boy and his homework.
I hope this helps. :)
The answer should be B) because social media is a long distance communication tool for people, so not C) since that's false, that's where most danger is at is online, not D) because that wasn't the original purpose, but sadly its become popular now and not A) because that's incorrect.
Holding it from the bottom