It can, because some people are ignorant and can’t take some opinions so they fight that its wrong.
The sentences write after his story shows the family's initial reaction which is mostly doubtful from the son and the wife
that was a good story!
I don't really k but i think it's D.to purchase one of their milk cows or C.<span>to warn the family about hydrophobia</span> but i would choose one of those two.
or maybe it's supposed to be D. to purchase a milk cow or something.
hope i helped :)