英语1.Heknowslittleaboutthecityasifhetheresofar.1.Heknowslittleaboutthecityasifhetheresofar.A.isn’tB.weren’tC.shouldn’thavebeenD.hadn’tbeen为什么

Question

英语1.He knows little about the city as if he_____ there so far.
1.He knows little about the city as if he_____ there so far.
A.isn’t B.weren’t C.shouldn’t have been D.hadn’t been
为什么

Answer 1

D.hadn’t been
题中的so far提示是完成时,应该是he hasn't been there so far,而as if 后面的从句要用虚拟语气,即用助动词的过去式,综合起来就是D