—He is the only one of the students ______from the country in my class, and we have known for quite some time.

—Where did you meet for the first time?     

—It was on the farm ________ I used to work.

A．who are; that

B．who is; where

C．that is; that

D．whom are; on which

上海某工厂委托上海机电进出口公司出口一批电机，以上海机电进出口公司的名义对外签约并由该公司负责收汇，上海机电进出口公司委托某报关行向海关报关．在出口报关时，应使用( )。

A．该工厂的收汇核销单

B．上海机电进出口公司的收汇核销单，并在“出口单位备注”栏注明该工厂的名称

C．上海机电进出口公司的收汇核销单，并在“出口单位备注”栏注明该报关行的名称

D．该报关行的收汇核销单