Which of the Following Zen Stories Best Illustrates the Buddhist

Which of the following Zen stories best illustrates the Buddhist doctrine of anātman (not-self) ?

A) "Muddy Road," about the two Zen monks who encounter a girl on the road
B) "The Subjugation of a Ghost," about the widower who is haunted by the ghost of his late wife
C) "One Note of Zen," about the Zen master who plays a single note to explain Zen to the emperor
D) "A Letter to a Dying Man," about how to face one's impending death