Read these lines from "Lone Dog." O mine is still the lone trail, the hard trail, the best,
Wide wind, and wild stars, and the hunger of the quest!

.Why does the poet use the phrase "hunger of the quest"?

A. to explain that the dog is not satisfied with its life

B. to suggest that the dog is searching for something it cannot find

C. to show that the dog enjoys adventure and the unknown

D. to indicate that the dog can never find enough to eat