--- How long have you worked here?
--- .
A. Five years ago
B. For five years ago
C. Since five years
D. Since five years ago
网友回答
A. Five years ago
B. For five years ago
C. Since five years
(答案→)D. Since five years ago
解析:how long 应该和延续性动词连用,回答时用for +一段时间,或since+一段时间ago或since 一般过去时,故选D