根据对话内容，从方框中选出最佳选项补全对话。

A.I will stay at home. B.How about Dalian? C.Are you planning for your summer vacation? D.I'm making a travelling plan. E.That's a great idea.

A:Hi,Tony! What are you doing here?

B:Hi，Judy!

A:Traveling?

B:Yes,Summer is the best time for travel and I'd like to stay in a cool place.

A.That'll be great!Have you decided where to go?

B:Not yet.Any suggestions?

A: It's quite cool and the food there is also special.

B: Thank you.What's your plan for the vacation?

A: I'll help my father with his business.