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。

— Debbie! I can't believe it!I haven't seen you for ages.

— Dorothy! It's really a nice surprise! 1_____

— Pretty good.

— 2_____

— I wish I could. But I'm on my way out. I have to be in the city in an hour.

— 3_____

— There's a lot of traffic and I really have to get going. You know where I live-why don't you drop

     in one evening?

— I'll do that. 4_____ let's keep in touch.

— I'd really like to. I'll talk to you soon, Debbie. I'm glad I ran into you.

— 5_____

A. Take care.

B. How are you?

C. Where have you been?

D. Can you join me?

E. Come on. Just for a minute.

F. And you should feel free to call or visit me.

G. It's been a whole year since we saw each other last time.

(1).青霉素属于（）
(2).胃蛋白酶属于（）
(3).硫酸阿托品属于（）
(4).浓氨溶液属于（）

A.易吸湿的药品

B.易水解的药品 

C.两者皆是

D.两者皆不是