Which of these questions should you ask when evaluating a primary source

Montezuma was taken prisoner by the spanish and held captive for months while the spanish ransacked the city of tenochtitlan. what was the fate of montezuma? a he escaped only to be cut down in battle. b he reasoned with the spanish and got them to leave the city. c he died of old age while in the custody of cortes. d he was struck with stones trying to plead for peace with his people and it is reported he died a few days later.