根据对话内容，从方框中选择适当的选项补全对话。
A:Hi,Alice ! ___
B:No,they’re not. ___
A:Is the dictionary hers,too?

A. No,it isn’t. B. Are these books yours? C. Thank you! D. They are Helen’s. E. What about the pencil?

B: ___It’s mine.
A: ____
B:It’s mine,too.
A:Can I borrow your pencil?
B:Yes.
A: ____
B:You’re welcome.