一道模考语法难题求解

beMe

Mauritius was a British colony for almost 200 years,excepting for the  domains of administration and teaching,the English language was never really spoken on the island.
A.excepting for
B.except in
C.but except in
D.but excepting for
E.with the exception in
答案（C) 想问except blah blah这句在句子中是什么成分啊 当时我选的是A错了
but后不是要接句子嘛...选B怎么不对

beMe

解答下嘛

beMe

插入语噢