07. XXX (something with long description) reveals what XXX researchers say is XXX genes of XXX infection ____ identified never further.
(1) that was (2) that they (3) being (4) to be
意思大概是一种什么东西揭示了研究者所说的某种基因从未被识别过. what XXX researchers say 是从句的主语, is 是从句的谓语, XXX genes of XXX infection 是从句的宾语, 我觉得(1) 和(2)好像都不好, 因为that修饰infection可能逻辑不对,应该修饰genes, being又是经常错的选项,所以就选了(4),还有一个选项忘了.
(**原作者更新:SC 那道gene 应该是单数,我写错了,我记得很清楚,research是复数,gene 是单数.) .
根据这个描述,我觉得应该选A,that was.
我的分析是:
sb. (sth) reveals what sb.say is sth. that was identified never further
不知道大家看法如何。请NN们指正。
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