Answer:
Option D. The excerpt reveals that while Crusoe may regard Moors as savages, he knows that their culture values loyalty.
Step-by-step explanation:
In the excerpt t is shown how, although he does not trust them at all, Crusoe decides not to kill a young moor and makes him swear loyalty to him an in exchange Crusoe will protect him. This action shows that, even after the negative encounter Crusoe had with the Moors, and how he sees them as savages, he knows that they hold loyalty as a high value within their culture, and decides to test that loyalty in the young kid and saves his life.