Cinta reviewed her notes about genealogical research before the class discussion. She was ready to share her information with her classmates and then answer questions. When Mr. MacGregor asked if she was ready, Cinta smiled and nodded her head.
to educate
Peeta is a strong skilled survivor who has been through a rough journey and is confused as how to cope with his own feelings
Provide reasoning is the next best thing to do if the person is writing and argumentative prompt.
I would say D, since A and B would be highly irrelevant. C sounds like a possible answer, but could still be viewed as irrelevant since it doesn't actually contain info about MP3 players.