What does the following quote from "the cask of amontillado" reveal about montresor's intentions?

"pass your hand, 'i said, 'over the wall; you cannot feeling the nitre. indeed it is very damp. once more let me implore you to return. no? then i must positively leave you. but i must first render you all the little attentions in my power."'

a. he sincerely concerned about fortunato's well-being
b. he wants to make sure that fortunato does not suspect his motives
c. he hopes fortunato will prevent him from committing the planned murder
d. he wants to warn fortunato that his death is near

in the short story, "the cask of amontillado," poe's use of a(n) narrator to tell the story heightens the uncertainty and sense of horror felt by the reader read the following line from edgar allan poe's "the raven": "quoth the raven, 'nevermore.'" what effect does this repeated line have on the poem

a. it adds to the speaker's feelings of hopelessness
b. it shows the speaker's feelings of guild and anger
c. the word "nevermore" expresses how unhappy the bird is
d. it shows the relationship between the bird and the speaker.