What excerpt from The Dam-nation of a Canyon is an example of an ad hominem fallacy?

i believe it is this argument appeals to the wheelchair ethos of the wealthy upper middle class American slob

Explanation:

when alex falls for the charming new boy at school, cole -- a handsome, funny, sports star who adores her - she can't believe she's finally found her soul who truly loves and understands her.  

at first, alex is blissfully happy. sure, cole seems a little jealous of her relationship with her close friend zack, but what guy would want his girlfriend spending all her time with another boy? as the months pass, though, alex can no longer ignore cole's small put-downs, pinches, or increasingly violent threats.  

as alex struggles to come to terms with the sweet boyfriend she fell in love with and the boyfriend whose "love" she no longer recognizes, she is forced to choose -- between her "true love" and herself.

explanation:

b. our party quickly made its way into the cave / but we failed to find our host [the cyclops] himself inside.