What is the tone in Macbeth by Shakespeare?

"the man held steadily on. he was not much given to thinking, and just then particularly he had nothing to think about save that he would eat lunch at the forks and that at six o'clock he would be in camp with the boys." for which of the following statements would the selection provide evidence? a. the man is headed toward a great deal of conflict with the icy yukon wilderness. b. the men in the camp expect him to join them for supper after six o'clock. c. the man underestimates the forces of nature with which he will come in conflict. d. the man expects his dog to safely guide him to the camp.