Hi there,
A noun is a person, place or thing.
Hence. the noun in this sentence is "door" because it is a thing.
Hope this helps :)
The cask of amontillado is about a man named montresor who wanted revenge on a man named fortunato cause of an insult that was made. They meet at a carnival and montresor lured him into his home to bury him alive.
Answer:
A. Unimportant scenes might become more important, and vice versa.
Explanation: