Squire Trelawney, Dr. Livesey, and the rest of these gentlemen having asked me to write down the whole particulars about Treasure Island, from the beginning to the end, keeping nothing back but the bearings of the island, and that only because there is still treasure not yet lifted, I take up my pen in the year of grace and go back to the time when my father kept the Admiral Benbow inn and the brown old seaman with the sabre cut first took up his lodging under our roof.

Which best explains Stevenson's reason for beginning the chapter with this paragraph?

A. Stevenson creates confusion in the reader with a narrator who explains that he is writing a story because he has been asked to do so by several other characters.
B. Stevenson creates interest in the reader with mention of still undiscovered treasure and the arrival of a mysterious character in the narrator's life.
C. Stevenson creates unease in the reader with a detailed account of the problem the main character has to overcome to reach a solution.
D. Stevenson creates a clear visual picture in the reader's head with a strong description of the story's setting without giving its actual location.