"The green mug or the blue cup seem like a good choice" is the only sentence that uses a verb that agrees with its compound subject, since the others have issues with number.
We cant see the passage but i can help you find the answers. Read it and see the good/bad things and put the page or paragraph it is from. Tom did learn something so look at what Tom maybe did wrong an dsee what he learned. They might have not straight up said it so you have to find it yourself maybe. The last question is easy just state the theme then describe jow the theme devoloped furing the story with his feelings.
I'm gonna say B.powerful and c.old i say this because it a adjective
