Answer:
In scene 3 it is revealed that they are truly evil. The witches prophesied that Macbeth will be the Thane of Cawdor and the King of Scotland. They prophesied Banquo's children will be kings of Scotland.
Explanation:
C. Live life full until daylight falls, as it completes the rhyme scheme. (know, ago) and (walls, falls)
Join what? And what know and of help like with work ??
D. put it aside. being objective is not being influence by personal feelings
To be really honest, I think its a matter of opinion on which sentence is the strongest conclusion. To me, I think choice C is the best answer because it paints the contrast between the dog's wild instincts versus loyalty. I guess the conclusion should also mention that despite the abuse, Buck still learned to trust a human (even though one could easily understand why the dog would never trust a human after the abuse), so it shows just how powerful loyalty can be.