从Ⅱ栏中为Ⅰ栏各句选择最佳应答语。

                       Ⅰ                                                                    Ⅱ

⑴Here you are!                                  A. The bookstore.

⑵How do you go to school?             B. Usually on foot.

⑶Wait! Don't go at a red light.         C. Thank you.

⑷What's this?                                    D. Sorry.

⑸Where are you going?                    E. A helmet.