Choose the answer.
which best identifies a subplot in julius caesar and explains its significance?

a. portia struggles to understand her husband secrecy; it indicates that brutus's behavior is out of the ordinary.

b. brutus and cassius struggle with antony and octavius for control of rome; it builds suspense about who will assume power next.

c. brutus struggles with the decision to join the conspirators or not; it builds suspense about whether or not the assassination will occur

d. brutus struggles with calpurnia over whether they should inform caesar of the assassination plot; it builds suspense about who can and cannot be trusted.