Select the correct inference of the given passage from "The Cask of Amontillado." "Against the new masonry I re-erected the old rampart of bones. For the half of a century no mortal has disturbed them. In pace requiescat!"
Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the one having to do with inferring that the theme is narrowing.