Which BEST identifies foreshadowing?

A. Announcer: Cassius, a troublemaker who used to be one of Pompey's men, tries to stir up his good brother-in-law Brutus to rebellion.

B. Cassius: Well, honor is the subject of my story.

C. Flavius: Thou art a cobbler, are thou?

D. Soothsayer: (Slowly, in a dreadful voice) Beware...the...ideas...of...March). (The crowd gasps.)