根据对话内容，在方框中选择正确的答案补全对话。

A: Hello! May I speak to Mr Smith?

B: I'm sorry.1.I think he'll be back in an hour.2.

A: That's very kind of you. I'd like him to come to my birthday party.     3  

B: OK.4! I'll go and got a pen and a piece of paper. OK.5.

A: 5697846．My name is Liu Wei.

B: All right.6.

茯苓具有的功效是（）

A.既能宁神益智，又能补脾益肺

B.既能宁心安神，又能止泻止汗

C.既能宁心安神，又能祛痰开窍

D.既能宁心安神，又能健脾利水

E.既能定惊安神，又能利尿通淋