根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

Mr Zhang: Excuse me,  1 ?

Mr Wang: Yes, I am. Are you Mr Zhang?

Mr Zhang: Yes,  2 .

Mr Wang: How do you do?

Mr Zhang: This is Chen Tong. This is Mr Wang.

Chen Tong:  3 ,Mr Wang.

Mr Wang: Nice to meet you, too.  4 ?

Chen Tong: Fine,thank you.  5 ?

Mr Wang: I’m OK. Please sit down.

Chen Tong: Thank you.

1．

[　　]

2．

[　　]

3．

[　　]

4．

[　　]

5．

[　　]

6．

[　　]

A. I am

B. How are you

C. Good morning

D. And you

E. Hello

F. are you Mr Wang

G. Nice to meet you