He said that the factory ______ for several years.A.has opened B.opened C.had been open D.is opening并分析考察的知识点,

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Hesaidthatthefactory______forseveralyears.A.hasopenedB.openedC.hadbeenopenD.isopening并分析考察的知识点,Hesai

He said that the factory ______ for several years.A.has opened B.opened C.had been open D.is opening并分析考察的知识点,
He said that the factory ______ for several years.
A.has opened B.opened C.had been open D.is opening
并分析考察的知识点,

He said that the factory ______ for several years.A.has opened B.opened C.had been open D.is opening并分析考察的知识点,
选c
open可以做动词,但是不是延续性的,所以不能持续several years.
open还可以当形容词,表示状态,这样说它持续several years是可以的,所以选C