The main idea of this passage from "To Build a Fire" is that the dog showed loyalty to his master. Which of the following is an additional significant detail found in the passage?
A. The dog tries to stay with the man for as long as it can.
B. Though loyal, the dog's instinct forces it to seek out protection for itself.
C. Though loyal, the dog knows where the camp is.
D. The dog does not want to stay with his master.