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。

A: Hello. Could I speak to Mr Smith?

B:   1  He is in an important meeting. Oh, yes. I'm sure there will be an end of this meeting by five o'clock this afternoon.   2  

A: Yes. This is Jones. The number.....

B: Oh! (The other phone rings).   3  I have another call on the other line. Hold on a minute, please. If you don' t mind. (Then B goes back to A. )

B: Hello. Are you there. Mr Jones?

A: Yes, the number is 5079864.   4  

B: Yes, of course.

A: Could you tell him I'm at the Beijing Hotel in Room 4021?

B:   5   I'm sure he'll be calling you back. Good-bye.

A. You remember?

B. I'm afraid I can't answer your question.

C. Could you tell me your name and give me your telephone number, please?

D. Excuse me, Mr Joes.

E. Oh, sorry, he isn't in.

F. Can I leave a message, please?

G. O.K.