As my mother ___here before,I went to meet her at the railway station

题目

As my mother ___here before,I went to meet her at the railway station
A had never been
B has never been
C had been never
D never was
选哪个?为什么?

答案

A
由于母亲从未来过这里,我便到火车站去接她.
1.没来过这,是在我去车站以前的事,是过去的过去,所以用过去完成时.这样就排除了A D
2.频率副词 never often seldom usually 等如果和谓语一起连用,应该置于助动词和实意动词之间,这样就排除了C
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