问题
选择题
. ---- How long ____ at this job?
---- Since 1990.
A．were you employed
B．have you been employed
C．had you been employed
D．will you be employed
答案
答案：B
考查时态语态。跟答语从1990年开始可知上文是完成时态，you是雇佣的对象，故用被动语态，选B。
句意：
搜题请搜索小程序“爱下问搜题”