Which conflict does Cassius face in the play?

ACassius has a conflict with Brutus, who has the decency, honor, and honesty that Cassius strives to demonstrate.

BCassius has a conflict with Caesar, who has the glory, admiration, and power that Cassius wants.

CCassius has a conflict with Marc Antony, who is married to the woman that Cassius loves.

DCassius has a conflict with Octavius, who has the money, property, and fame that Cassius covets.