Question #N296

The following text is from Bram Stoker’s 1897 novel Dracula. The narrator is being driven in a carriage through a remote region at night. The baying of the wolves sounded nearer and nearer, as though they were closing round on us from every side. I grew dreadfully afraid, and the horses shared my fear. The driver, however, was not in the least disturbed; he kept turning his head to left and right, but I could not see anything through the darkness.

What is the most likely purpose of the sentence, "The driver, however, was not in the least disturbed; he kept turning his head to left and right, but I could not see anything through the darkness."?
A. To provide a vivid description of the driver's actions.
B. To contrast the driver's calmness with the narrator's fear.
C. To introduce the driver as a new character in the story.
D. To suggest that the driver is not paying attention to his surroundings.