The Customs surveillance zone include 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

一个产品生产线分为a、b、c三段，每个人每小时分别完成10、5、6件，现在总人数为71人，要使得完成的件数最大，问：71人的安排分别是（）。

A．14:28:29

B．15:31:25

C 16:32:23

D．17:33:21