Answer:
Theme
Explanation:
Theme is the topic, or key idea, that holds a story or poem together.
Plot is the topic, or key idea, that holds a story or poem together.
Hmmmm.....either B or C which ever you prefer
I think it's B. It couldn't be C OR D
The narrator is the speaker.
I would say D, But that's just me
Feel free to correct me if i'm wrong :)