b. He Treated as if he was their promised god, Quetzalcoatl.
Cortés took Moctezuma prisoner and gained control of the city. Cortés would've been killed and Moctezuma would take over his land. At the beginning Cortés gave Moctezuma gifts.
In History ch6 (we may not have the same book) it says a lot about how he was givin a lot of gifts and taken well care of when he came to the empire.
Personification is giving human characteristics to a nonhuman object. #3 seems like the best choice. Saying sleep did not visit Rainsford is giving sleep the human characteristic of visiting. (Like people do) Hope that makes sense.