In copying this document be careful not to leave______any words.A.offB.behindC.overD.out

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In copying this document, be careful not to leave______any words.

A.off

B.behind

C.over

D.out

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