____is easier than to do.

题目

____is easier than to do.
____is easier than to do.
a.To say b.Saying c.To be saying d.Being said
想知道这题是怎么做出来的,不是想知道答案,

答案

A
说比做更容易
其实不定式、动名词都可以作主语的,但是根据句式【对称】的原则,than 后面接不定式了,那主语必须用不定式.