____ is known to all,china is a developing country.A It B As C That D What我知道选 B啦,定语从句,可是谁能给我解答下C和D为什么错了?选C和D变成别的从句不行吗

it known to all还是it is known to all 主语从句 代词 ____ he is a good student is known to us all.如何分析, it is known to all that 和as is known to all that 区别 如何区别As is known to all与It is known to all? as is known to all的意思以及as a known to all的意思 That is known to all,Taiwan belongs to China.改错 it is known to us all,as is known to us all和what is known to us all有什么区别 As is known to all ,和Which is known to all,China is a socialist country.的翻译的不同. as it is known to all与as is known to all与it is known to all请问,有没有as it is known to all THANK YOU! It is known to all that sea water__(contain)salt. She is a good woman,___is known to us all. as is known to all 在句中做什么成分 As is known to all怎么连读 as is known to all中的as是什么词性 ____,many centuries had passed before man learned to use fire.A.Since it is known to us all B.As long as it is knownC.As is known to us all D.What is known to us allWhich one?Why? 众所周知哪儿有污染,哪儿就有伤害.英文翻译It is known to us all ___ ___ ___ ___ ____,there is harm. ____,television has played an important role in modern life.A.As long as it is known B.What is known to allC.Since it is known D.As is known to all我感觉答案应该是选D,因为可以解释为As作主语引导定语从句位于句首,谓语动 _______,the compass was first made in China.A.It is known to all B.We all know C.As is known to allD.Itis known that