第二节根据对话内容，从对话右边选项框中选出能填入空白处的最佳选项。选项中有两项多余选项。(每小1分，共5分)

A：Thank you for your great help．

B：  61  

A：When can we expect you fordinner? Can you come tonight?

B： 62 

A： 63  

B：That sound fine．

A： 64  

B：I'll be there. You're still good at cooking, aren't you?

A：That'll be for you to decide．I've got a new dish that I want to try out on you．

B：I'm ready    65  

A．I think I won't have anything all day Friday!

B．You're welcome．

C．Not tonight．I promised to go to a concert with my sister．

D．Oh，no．Thank you．E．How dose Chinese food sound to you?

F．How about Friday then?

G．Good．Shall I say seven o'clock?

以下叙述正确的是

A．可以把define和if定义为用户标识符

B．可以把define定义为用户标识符，但不能把if定义为用户标识符

C．可以把if定义为用户标识符，但不能把define定义为用户标识符

D．define和if都不能定义为用户标识符