___is obvious,the earth moves around the sun A.As B.It C.That D.What___is obvious,the earth moves around the sunA.As B.It C.That D.What请说明理由 为什么不选B

问题描述:

___is obvious,the earth moves around the sun A.As B.It C.That D.What
___is obvious,the earth moves around the sun
A.As B.It C.That D.What
请说明理由
为什么不选B

选c
此句正常语序应为that the earth moves around the sun is obvious.
选IT 无法与后面的补充句建立联系。

B,it作形式主语,“,”后的句子作真主语。

AIt is obvious that the earth moves around the sunAs is obvious 做伴随状语 表状态 这个地球围绕太阳的事实 是显然的ps.如果用it 就得改成:It is obvious that the earth moves around the sun...

B.
it is obvious+that从句 固定结构