一道高二英语单选题~~求解~~The phenomenon of global warming _______ to become worse and worse day by day, _______ of which will be catastrophic to human survival, some scientists predict. / A.wants; the result B.attempts,

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一道高二英语单选题~~求解~~The phenomenon of global warming _______ to become worse and worse day by day, _______ of which will be catastrophic to human survival, some scientists predict. / A.wants; the result B.attempts,
一道高二英语单选题~~求解~~
The phenomenon of global warming _______ to become worse and worse day by day, _______ of which will be catastrophic to human survival, some scientists predict. / A.wants; the result B.attempts, the consequence C.tends; the consequence D.tends; as the consequence 答案是C,但是D为什么不行?

一道高二英语单选题~~求解~~The phenomenon of global warming _______ to become worse and worse day by day, _______ of which will be catastrophic to human survival, some scientists predict. / A.wants; the result B.attempts,
which 指代的是 the phenomenon of global warming . the consequence 是主语,will be 是谓语,意思是 全球变暖现象越来越严重,一些科学家预测这种现象的后果是威胁到人类生存 !

这里是一个定语从句,修饰前面的phenomenon,定语从句由in which引导,D项加上as则有两个引导词,不合语法。
求采纳!!!

如果有as,它就要引导一个句子,但是因为有了which,which指代的是气候变暖越来越糟糕这个现象,如果再加上as句子就讲不通了,也就是说没有主句了,只有从句

D为什么不行 ?
因为 整个句子是直叙说明, 而加上 as 时, 则须有因果关系存在.

多了一个as