Which sentence is most likely to be found in a problem-solution text? Bullying has become a major challenge with new social media.
Studies link good sleep habits with higher test scores.
These days, many forms of entertainment can be found online.
Pugs are known as “clown dogs” because they love to show off.

I think the answer is B

Explanation:

Because it's says that when people sleep early they get better test scores.

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.