问题
选择题
Last week I took the Civil Service Admission Examination, for which I _____ for nearly three months.
A.had prepared
B.would prepare
C.was preparing
D.have been preparing
答案
答案:A
考查时态。句意为上个星期我参加了公务员考试,为了这次考试我已经准备了三个月了。根据句意可知准备了三个月发生在考试之前,故选择过去的过去。