排序，连成一段通顺的对话。

( ) Lunch's ready! Help yourself.

( ) What would you like for lunch?

( ) I have a good time. Thank you. See you tomorrow.

( ) Mm… Yummy. I like Chinese food.

( ) I'd like some chicken and rice.

导游人员等级分为（）。

A.两个系列，四个等级

B.四个系列，两个等级

C.三个系列，四个等级

D.四个系列，四个等级