You should keep a copy of the application in case you______the original one.A.had lostB.lo

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You should keep a copy of the application in case you______the original one.

A.had lost

B.lost

C.lose

D.will lose

请帮忙给出正确答案和分析,谢谢!

热搜:copy命令产生对象的拷贝,而保持原对象不变