We have learned your name from the First Commercial Bank at your end, _______we understood that you are well experienced in the export of electric goods.
A.whom
B.from them
C.from which
D.through whom
正确答案是D
We have learned your name from the First Commercial Bank at your end, _______we understood that you are well experienced in the export of electric goods.
A.whom
B.from them
C.from which
D.through whom
正确答案是D