It is said in Australia there is more land than the government knows( ).

问题描述:

It is said in Australia there is more land than the government knows( ).
A it what to do with
B what to do with
C what to do with it
D to do what with it
答案:C
我想问下这句what做do的宾语,为什么不是做do的主语?

what 引导的是宾语从句...
你看前面那个 the government knows
the government 是主语,
主句不缺主语,缺的是宾语,所以what做的是宾语