In the poem, the phrase "sill of shade" refers
to a part of the scenery that is left unnoticed by many. The narrator of the
poem is trying to describe the details of the beauty of nature. He is in awe of
the surroundings that he has encountered.
The main theme is the fragility of sanity, guilt versus innocence, and the unrelenting passage of time. The fragility of sanity: the narrator's attempt to prove his sanity, his erratic mannerisms while he explains his meticulous plans for killing the old man only prove his madness.
Answer:
A.Provide an introduction.
Explanation:
