Sleeping Disorder comp question.

Which statement shows that Bart is selfish?
A.
"Mom, I'm trying to take a nap."
B.
"Well, I guess I could use a little nap!"
C.
"Give me a few more hours to sleep, and then I will pet you."
D.
"I'm your cat, and nothing is more important than my needs."

D. "I'm your cat, and nothing is more important than my needs."