Why does keesh answer ugh-gluk question with a series of questions

How can you work on building positive relationships?

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

"first of all, how could they mistake a man for a sasquatch? " which best explains the purpose of this question (from review 2)? a) to illustrate how much the book uses humor b) to show how unbelievable parts of the story are c) to convince the reader that the novel is poorly written d) to highlight the differences between the characters in the novel