It is said that in Australia there is more land than the government knows _________.
A it what to do with
B what to do it with
C what to do with it
D to do what with it
答案为什么选C, 请分析一下,谢谢.
what do with=how deal with
追问怎样排出其它几个选项时.
追答do with 必须放一起
Know是动词,动词后加特殊疑问词做宾语。所以a不对