Robby Calls Bobby on the Telephone and Threatens to Come

Robby calls Bobby on the telephone and threatens to come over and break his nose. Which of the following is true?

A) Robby's conduct constitutes a battery.
B) Robby's conduct constitutes an assault.
C) Robby's conduct constitutes both a battery and an assault.
D) Robby's conduct does not constitute an assault because there is no question of immediate bodily harm.
E) Robby's conduct does not constitute an assault because contact has not yet happened.