Write a small paragraph about Sickle cell anemia plz

Which sentence from a student's reflective essay contains a subject and verb error and needs to be edited? a. in my opinion, some of the voters seemed to need more information about their candidates. b. the documentary showed that dollars are often used instead of rubles in russia. c. the research shows that jackets made of wool are warmer than those made of cotton. d. in my opinion, either the doctors or the chief administrator need to make a quick decision.

Which revision of this sentence best uses direct characterization?

Which claim does the sentence "teach english and play with children in local orphanages by day and enjoy the sights and new friends by night" support?