问题
选择题
Tim ________since he lost his job three weeks ago.
A．had been unemployed
B．was unemployed
C．has been unemployed
D．has unemployed
答案
答案：C
考查时态。根据句中时间状语since he lost his job three weeks ago.，可知用现在完成时。根据句意用其被动形式。句意：自从Tim三个周前失业以来还没有被雇佣。