The statement that BEST describes Mr. Hernandez's primary motivation in the story is:
B. He is motivated by fear because the bear's eyes are transfixed on his position.
While curiosity and wonder are present in his experience, the primary conflict and motivation driving Mr. Hernandez's actions and emotional state at that moment stem from his fear of being discovered by the bear. The tension of potentially being in danger from the bear's gaze is a crucial aspect of the narrative.