It could be either tone or mood, and I cannot tell with certainty which one is the correct answer. Both of them evoke some kind of feeling, but mood refers to the reader's feelings about the novel, whereas the tone refers to the author's feelings.
The answer is I. When regarding yourself and another person you should always state it as "you and I" rather than "you and me".
Evaluating is judging the argument. Deciding who is right and who is wrong to what extent but analyzing is something more deep. It involves some sort of evaluation but not entirely. To analyze something we need to know the depth of the details or situation and give meaning and our own interpretation in ways to it whereas evaluating is just assigning value.