The author describes the atmosphere in the tunnel leading to Smaug's lair this way:
Also it was undoubtedly hot in the tunnel. Wisps of vapor floated up and past him [Bilbo] and he began to sweat. A sound, too, began to throb in his ears, a sort of bubbling like the noise of a large pot galloping on the fire, mixed with a rumble as of a gigantic tom-cat purring.
Which words best describe the mood this passage creates?
A.lonely and sorrowful.
B.peaceful and pleasant.
C.tense and uncomfortable.
D.sad and wistful.