Susan is ______ as an "addlehead"—she always leaves her keys on the door.A.who is knownB.w

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Susan is ______ as an "addlehead"—she always leaves her keys on the door.

A.who is known

B.which is known

C.whom is known

D.what is known

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热搜:关于氨基酸代谢错误的论述是_________。

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  • 正确答案:D
    语法结构。本句中what为关系代词,引导一个名词性从句作表语,表示“……那样的事物”。whatisknown意为“所谓的,大家所知道的”。在表语从句中,who,whom和which不能既连接从句又充当从句中的主语或者宾语,故不选A、B、C。