The correct answers are options B, C and D.
Marco Polo's cultural context are represented first in the quote about the malik of Homuz who had a castle. Malik means king in Arabic, and the Kingdom of Hormuz existed in the Persian Gulf between the 10th and 17th centuries.
Secondly, the cite about ships which made voyages in twenty days also refers to the cultural framework of Polo's time.
Finally, there is a reference to Saracen people, a term used to mention Muslims in the Middle Ages.