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.

2011年3月初，联合国粮农组织发布的2月份全球食品价格指数创历史新高。影响此次世界粮食价格上涨的供给因素是（）

A.一些粮食主产国遭受自然灾害

B.世界经济开始逐步复苏

C.国际贸易保护主义抬头

D.发达国际宽松的货币政策