Nuclear fuel will be used in the reactor after its ______ into the form. of rods.A.having
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Nuclear fuel will be used in the reactor after its ______ into the form. of rods.
A.having compressed
B.to have been compressed
C.having been compressed
D.have been compressed
请帮忙给出正确答案和分析,谢谢!
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正确答案:C
非谓语动词用法。介词after后应跟动名词作宾语。its指代nuclearfuel,与compress之间为被动关系,且谓语动作used发生在compressed之后,故用动名词的被动完成时havingbeencompressed。
