是A还是C我搞不明白.

题目

是A还是C我搞不明白.
　18.______ after his death that he was recognized as a great composer.
　　A.It was not until B.It is until C.It was until D.Not until

答案

现在A.
这里面的语法结构有：
it was.that.强调句.
Not until 是一个倒桩.
如果翻译成正常的语序是：he was not recognized as a great composer until after his death.
他死后才被认为是一个伟大的作曲家.