单选题 《复合题被拆开情况》David: Hey. What are you doing this weekend?Frank: I don’t have any plans.【D5】________David: I am going to my uncle’s cottage in the countryside.Frank: That sounds like fun. Who else is going?David:【D6】________Many other people are invited, too.Frank: What will we do?David: We will cook dinner on the grill, play games, and enjoy the scenery. It is very beautiful. The air is very fresh and at night you can see the stars very well. And we will roast marsh-mallows.Frank:【D7】________David: So you will come then?Frank: Yes. I will come.David: Great!Frank: Thank you for inviting me.David: You are welcome.A. My brother and his girlfriend are coming.B. I love marshmallows!C. Can I go with you? D. Why?《问题》：【D7】