Read the excerpt from "To Build a Fire." There was nobody to talk to and, had there been, speech would have been impossible because of the ice muzzle on his mouth. Which statement best interprets the phrase ice muzzle on his mouth?

A)It's a metaphor that shows how alone the man is.

B) It's imagery, showing how frozen over the man's mouth has become.

C) It's a simile that explains why the man is unable to speak.

D) It's a metaphor that shows that the man has nothing worthwhile to say.