Monkeys paw

Which detail from paragraphs 66-72 BEST demonstrates a shift in the mood after the creepy mood in paragraph 65?

A."the dirty, shrivelled little paw was pitched on the sideboard with a carelessness which betokened no great belief in its virtues." (paragraph 66)

B. "as [sunlight] streamed over the breakfast table Herbert laughed at his fears." (paragraph 66)

C. “'I’m afraid it’ll turn you into a mean, avaricious man, and we shall have to disown you.'” (paragraph 70)

D. "'I suppose all old soldiers are the same,' said Mrs White. 'The idea of our listening to such nonsense!'" (paragraph 67)