Final answer:
The inhabitants of Tenochtitlan were considerate and stylish, with Cortés noting their attention to dress and manners, influenced by the presence of Moctezuma II and the nobility.
Step-by-step explanation:
Based on the excerpt from Hernán Cortés's letter, the inhabitants of Tenochtitlan can be concluded to have been considerate and stylish (C). Cortés remarked on the residents' attention to dress and manners, influenced by the presence of the Aztec emperor Moctezuma II and the Aztec nobility. The cultural dynamics within the capital reflected a society that valued elegance and politeness, likely due to the proximity to the court and the need to maintain a certain decorum in the presence of high society.