Answer:
Pathos
Step-by-step explanation:
This is most likely a pathos type of rhetorical appeal. Pathos refers to an argument based on emotion. When this type of argument is presented, the speaker usually relies on appealing to the emotions of the audience. In this case, the author appeals to the emotions of the audience by describing the people who keep wolves as pets in very negative ways (self-centered, vain) and the wolves in positive terms that remind us of their wild nature.