The Customs surveillance zone include the following places except ______.

A．any seaport, railway and high way station, airport, border pass or international postal matter exchange where there is a Customs establishment

B．any place where Customs control is conducted

C．any place without a Customs establishment but which has been approved by the state council as a point of entry and exit

D．any place along the border of the country

药材牛黄具有的鉴别特征是（）

A.白颈

B.乌金衣

C.当门子

D.挂甲

E.方胜纹