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[Sentence Correction]
试题详情
题目：
Researchers now regard interferon as not a single substance, but it is rather a biological family of complex molecules that play an important, though not entirely defined, role in the immune system.
选项:
A、as not a single substance, but it is rather a biological family of complex molecules that play
B、as not a single substance but as a biological family of complex molecules playing
C、not as a single substance but as a biological family of complex molecules that play
D、not to be a single substance but rather a biological family of complex molecules playing
E、not as a single substance but instead as being a biological family of complex molecules that play
答案:
C
提问：
提问金栩竹老师，not as 和 as not这个该怎么判断呢？
解答：
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提问：
老师好，想问一下D not to be, but rather 可以理解成not to be, but rather（to be ）么？如果不能为什么？另外but 和rather是重复么
对比C\D，molecules 后面加从句和playing有什么区别么，谢谢老师？
解答：
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阅读2398
提问：
提问金栩竹老师，not as 和 as not这个该怎么判断呢？
解答：
点赞0
阅读2491
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