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 help feeling the nitre. Indeed it is very damp. Once more them me implore you to return. No? Then I positively leave you. But I must first render you all the little attentions in my power."
A
He hopes Fortunato will prevent him from committing the planned murder.
B
He wants to warn Fortunato that his death is near.
C
He wants to make sure that Fortunato does not suspect is motives.
D
He is sincerely concerns about Fortunato's well-being.