Which of the following, if true, would most strongly undermine the claim that Astyages's downfall proceeded from two major mistakes? A. Mandane's son would have conquered his grandfather's kingdom regardless of who his father was. B. Astyages's first dream was in fact a warning against allowing his daughter to marry. C. Harpagus would not have killed the baby regardless of whether he knew the prophesy. D. Mandane's husband would have deposed Astyages if he had known why his son was killed. E. Astyages's dreams were better interpreted as advising him not to do anything out of the ordinary.