What evidence from the text suggests that Macbeth is prepared to die?
a. "Curses, not loud but deep, mouth-honor, breath / Which the poor heart would fain deny and dare not."
b. "This push / Will cheer me ever, or disseat me now. / I have lived long enough."
c. "I am sick at heart"
d. "And that which should accompany old age, / As honor, love, obedience, troops of friends, / I must not look to have"