A thesaurus is the correct answer
I would say the ebony clock because<span> when everyone's lives are about to end the clock stops. So B.
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It is a 14th century novel written by Giovanni Boccaccio which consists of <span>a hundred stories of love, adventure and surprising twists of fortune which later inspired Chaucer, Keats and Shakespeare.
source is from </span>https://www.amazon.com/Decameron-Penguin-Classics-Giovanni-Boccaccio/dp/0140449302
I would say C, because it makes the most sense without the context of the story. If not that one, then D makes sense as well.