Read the excerpt from an adaptation of "To Build a Fire.”

After a time a stinging sensation returned, and the man stripped the mitten from his right hand, fetched forth the birch-bark, and brought out his bunch of sulphur matches. But his hand had already gone numb again, and in his effort to separate one match from the others, the whole bunch fell in the snow.

How does the setting affect the plot in this excerpt?

A. The unfamiliar land makes it challenging for the man to find his way.

B. The blanket of snow makes it impossible for the man to stay dry.

C. The extreme cold makes simple survival steps difficult to perform.

D. The tree cover makes it difficult to determine the time of day.