Thefacthasworriedmanyscientists___

发布时间：2020-07-11 18:11:44

The fact has worried many scientists ______ the earth is being warmer and warmer these years













A.what












B.which











C.that











D.though

网友回答

C解析考查同位语从句。同位语从句That the earth is being warmer and warmer these years解释名词the fact的内容，that起引导作用，不充当任何成分。
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