根据对话内容，从方框中选出五个合适的句子补全对话。

A: Good morning, sir. Can I help you?

B: 1             

A: Yes, sir. Which country would you like to visit?

B: 2.             I'm too tired and just want to relax.

A: Maybe you can spend your holiday in Switzerland (瑞士). 3            

B: But it's too cold. 4             

A: What about Australia? There is a lot of sunshine there all the year round.

B: 5             And I can practise my English as well.

A. Where are you going?

B. It's a wonderful place for skiing.

C. I'd like to spend my holiday abroad.

D. I've no idea.

E. Good idea.

F. It doesn't matter.

G. I prefer warm places.

以下内容对多实例与循环的描述正确的是（）

A、多实例与循环都是为了多个人同一时间完成不同工作所准备的

B、多工作项的分配策略有按照参与者个数领取工作项和按照操作员个数分配工作项

C、多实例与循环的是指工作项的多实例与循环不是活动多实例

D、多实例与循环和会签同样的含义