–HaveyoustudiedEnglishforalongtime?--Yes,Ihavestudiedit...

问题详情：

–Have you studied English for a long time?

--Yes, I have studied it ______.

A. five years before             B. five years ago

C. for five years                  D. since five years

【回答】

C

知识点：介词和介词短语

题型：选择题