The correct answer is the letter B irony
After the Captain's death, Crusoe decided to go on his second voyage. He went to back to the Guinea coast. Unfortunately, the ship he was on was attacked by pirates as they headed towards the Canary Islands. Crusoe and the ship's crew were captured and made slaves.
Crusoe became the personal slave of the pirate's master. From being a successful merchant, Crusoe became a miserable slave.
The answer is allegory, since allegory is a rhetorical device that convey hidden meanings through symbolic figures in a literary piece which create the meaning the author wants to portray. It is in a form of story or poem and the meaning could be political or moral, depending on the author's true meaning.
I think it would B. A directory. You can find contact information there.