Which story is the best example of a satire?

a- a story in which a character refuses to throw away a broken pen and uses it despite its limitations, where the pen stands for the love of his father
b- a cruel ruler who is obsessed with fashion one day finds that his clothes have been replaced with potato sacks
c- a story in which a selfish, ornery fox realizes, with the help of a bumblebee, that he can gain more from being kind than from being forceful
d- a story in which a silly dog constantly gets into compromising circumstances, such as getting stuck in the back of a truck with a pair of cats