Answer is B. Brutus believes he is destined to die in battle and reunite with Caesar in the afterlife.
In act 5 scene 4 of The Tragedy of Julius Caesar, Brutus confesses Volumnius that he has seen Caesar's ghost a couple times in the night, initially at Sardis and the finally at Philipi fields. He identifies these appearances as a message, realizing his end is near. Later on, Brutus understands that the enemies are coming, so he asks Volumnius to kill him before they do.