What lines of dialogue introduces the play's main conflict?

A: ...You're the only one without approval on your project idea, and the project is due in two weeks.

B: Ummm... I guess I'll do the video. I guess i could reenact a scene from the novel I read, Call of the Wild

C: Jason, who is entering the classroom a little late and intentionally trips over a stack of books... class laughs.

D: Could you be a bit more specific? Which scene do you plan to use?