They can give you more resources if you need help, like websites or games for the topic you are learning. They can teach by using hands-on, visual, or note-taking ways. Play games of the topic you just learned before a test, etc.
B, inventing characters would make it fiction.
If you had shared the options It would have been much easier for me to answer in suitable form for you. But actually I have got the answer and do hope it could help you. I am more than sure that the repetition of "nevermore" creates a unity of effect on longing. The only word that Rave knows and uses all the time to respond is "nevermore" so that it gives a circular sense to the poem.
