What does macbeth reveal in his soliloquy at the beginning of act iii? a. he fears banquo and plans to kill him and his heirs in order to perpetuate his reign. b. he is conflicted about the murder of king duncan, whom he knows to have been a good and brave leader. c. he is worried about his wife's disintegrating mental state, and he feels responsible for dragging her into the mess. d. he realizes he needs to assure the servants as well as banquo of his ability to be king and of his plans for the future of scotland.