Ironic, melancholy, enthusiasm, emotive, evasive
If you need more lmk
Either d or c not very sure but should be one of them
B: Set the mood for the scene that follows.
The author is obviously trying to set something up to happen here, most likely the entrance of another character and/or some dialogue. It would't make sense for there to bee any foreshadowing with such a warm atmosphere, and the author is describing the setting, not the characters.