B.
The central idea is the recovery of the city.
From the text: "<span>At the termination of this sentence I started, and for a moment, paused; for it appeared to me (although I at once concluded that my excited fancy had deceived me) — </span><span>it appeared to me that, from some very remote portion of the mansion or of its vicinity, there came, indistinctly, to my ears, what might have been, in its exact similarity of character, the echo (but a stifled and dull one certainly) of the very cracking and ripping sound which Sir Launcelot had so particularly described."</span>
Having conflicts starts in miscommunication from one party to another. It happens when communication is not enough information or a misinterpretation of the words intended but a different meaning by which it is the beginning of miscommunication.
Robert was a survivor of the plague.
Explanation:
- He stayed all alone in a place which was haunted by vampires. The world outside was terrible.
- He was enticed by the female vampires who taunt him with their luring acts. He would peep out of the house to have a look at the vampires who assembled outside his house. But when he knew that the female vampires were trying to entice him, he didn't want to look at that and closed his eyes.
- He decided to read the books on his shelf to keep him diverted from the female vampires.