Read these sentences from "The Cask of Amontillado."
Its walls had been lined with human remains, piled to the vault overhead, in the fashion of the great catacombs of Paris. Three sides of this interior crypt were still ornamented in this manner.
How does the author create surprise in these sentences?
by withholding information about Montresor's plan
by revealing shocking information about the catacombs
by using the plies of human remains to foreshadow Fortunato's fate
by using a flashback to describe the original purpose of the crypts
