How does Billy choose names for his pups? What is ironic about the situation surrounding Billy's choosing of the dogs' names?

A) Billy chooses names based on their appearance, which is ironic because he can't see them.
B) Billy chooses names randomly, which is ironic because his father wanted him to name them after famous dogs.
C) Billy chooses names based on their personalities, which is ironic because he doesn't spend much time with them.
D) Billy lets his little sister name the dogs, which is ironic because she's too young to understand.