What is the best example of use of supporting details for literary analysis?

a. the story is set on the frozen klondike during the late 1900s.
b. the author depicts an inexperienced traveler by describing his relaxed attitude and lack of concern about the cold.
c. the setting of the story is very important to the plot.
d. the story “to build a fire” presents a naturalistic viewpoint, which was a realistic viewpoint that often showed the power of nature.