Which sentence best uses a character's speech to show that she is arrogant?
A."I don't see how I could help you with this, but I am of course happy to try in whatever way I can."
B."Well, I question whether anyone can help stop this from happening. It is a systemic problem in our society."
C."Yes, I am a Harvard graduate. Why do you ask?"
D. "I'm sure I can help. I've always been able to use my keen wit and formidable intelligence to solve these kinds of seemingly unsolvable problems."