The tone of "The Cask of Amontillado" can best be described as __________. A. humorous B. friendly C. optimistic D. bitter help

D. Bitter. It wasn't humorous because they were enemies, it wasn't friendly because it ended in  a murder, and it wasn't optimistic because in now way was it positive.

D Bitter Montresor has no friendly feelings toward Fortunato. Nor are we left with feelings of optimism regarding Fortunato's future.