【单选题】

Waiter: Welcome, sir. May I help you
Customer: ______.

A．Thank you. I'll have fried tofu and stir-fried cauliflower.

B．Yes, please. I'd like a hamburger and a chocolate shake.
C．Sorry. I don't need your help, thank you.
D．If you want to help me, I'll be glad to accept it.