根据对话内容及方框中所给的句子补全对话, 选项中有一项是多余选项。

（Kitty and Mark meet outside the school gate after school. ）

Kitty: Hi, Mark. Ben's birthday is coming. I'm planning a surprise party for him this Saturday.

Mark: Sure, Kitty. I'm free. What are we going to do at the party?

Kitty: We'll also have a barbecue（烧烤）.

Mark: How can Ben go to the party?

Kitty: Someone will bring Ben to the party without telling him.

Mark: Really? You mean he doesn't know the party at all?

Kitty: We've also prepared some gifts for him.

Mark: Sounds great. I can't wait to join the party.

Kitty: It's in my house. See you then.

Mark: OK. See you.

A. You can come earlier. B. Yes. that's right. C. Will you help me? D. Where is the party? E. Shall we buy some fruit ? F. We're going to play some games.