"I smiled, –for what had I to fear? I bade the gentlemen welcome. The shriek, I said, was my own in a dream. The old man, I mentioned, was absent in the country. I took my visitors all over the house. I bade them search – search well. I led them, at length, to his chamber. I showed them his treasures, secure, undisturbed." Which word BEST describes the tone the author creates in the sentences?
A. indifferent
B. amused
C. confident
D. restained