题目内容：

This is the way ____he solved the difficult prolem.A which B by which C from which D /
解析可以填that或in which ,我不懂为什么可以填that,不是只有在作宾语的情况下才可以省略that吗,that作宾语的话不缺少介词吗?

优质解答

我觉得可以看成是同位语从句,that引导的同位语从句,因此that可以省略.就如：This is the way__ he said it.空格也可以不填任何词,也可以填上that / in which .不知道这样能行的通不,您能理解不?