What is Macbeth describing in the following excerpt? "Thy crown does sear mine eye-balls. And thy hair, Thou other gold-bound brow, is like the first. A third is like the former. Filthy hags! Why do you show me this? A fourth! Start, eyes! What, will the line stretch out to the crack of doom? Another yet! A seventh! I'll see no more: And yet the eighth appears, who bears a glass Which shows me many more . . ." A. those who believe he murdered Duncan B. a series of rulers who scorn his ambition C. a line of eight kings descended from Banquo D. a group of witches whose predictions he does not like