How long have you worked here?.A. Five years agoB. For five years ago C. Since fiv

问题补充：

--- How long have you worked here?

--- .

A. Five years ago

B. For five years ago

C. Since five years

D. Since five years ago

答案：

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