What do you think______(made/to make)him change his mind.答案是made,为什么to make不行?

问题描述:

What do you think______(made/to make)him change his mind.答案是made,为什么to make不行?

因为do you think是插入语,也就是可以直接划掉忽略,不需要考虑.
这样就成了What ______(made/to make)him change his mind.
“什么让他改变了想法”
不需要表示目的等等,所以不用不定式.