In act iii of shakespeare's macbeth, which two statements correctly state the significance of the banquet scene? a-macbeth’s degenerating mental state becomes apparent in this scene. b-lady macbeth‘s sleepwalking problem becomes evident in this scene. c-it becomes clear that macbeth and lady macbeth are no longer partners in crime. d-macbeth realizes that the murderers were unable to kill banquo because he was present at the banquet.