Answer: C. *There was the fire, snapping and crackling and promising life with every dancing flame." ( Paragraph 21)
Explanation:
Fire in <em>To Build a Fire</em> was developed as a symbol of survival, a symbol of life that ensures man's survival.
This was made evident when in paragraph 21 the author personified fire by writing that it promised life with each dancing flame. This shows that the presence of fire kept man alive and ensured human survival.
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.