Just as the soil is a part of the earth,__ the atmosphere.A.as it_英语解答

Just as the soil is a part of the earth,__ the atmosphere.
A.as it is B.the same is
C.so is D.and so is
选C,为什么?为什么不选D

人气：202 ℃　时间：2019-08-22 12:34:38

解答

so本来就是连词,不需要再加and来连接句子,而且,so be/do +主语这是个习惯用语,前面不加and