从方框中选择最佳选项完成对话，有两项多余。

A: Excuse me,  sir. Could you tell me the way to the hotel? 
B: Sorry, ____  I'm new here.____ 
A: Excuse me,  madam. Could you tell me how to get to the hotel? 
C: Go along this street to the first turning. Turn right at the end of the street,  and then you'll see the hotel.
A: ____ 
C: Yes,  you can.
A: ____ 
C: You can take a No. 2 Bus.
A: Thank you.
C: ____ 

①分别以A、C为圆心，以大于 $\frac{1}{2}$ AC的长为半径在AC两边作弧，交于两点M、N；

②连接MN，分别交AB、AC于点D、O；

③过C作CE∥AB交MN于点E，连接AE、CD．

长绒棉产量和出口量均居世界首位的国家是（      ）

阅读诗歌，回答问题。

                                                                                                                                       绝句

                                                                                                                                    (唐)杜甫

                                                                                                                    迟日江山丽，春风花草香。

                                                                                                                    泥融飞燕子，沙暖睡鸳鸯。

      【注释】泥融：指冻泥融化，又软又湿。