问题详情

C:根目录下有一个文件叫做autoexec.bat,如果我们想将它复制一份叫做autoexec.old应该怎样输入指令()
A.COPYAUTOEXEC.BATCOPYAUTOEXEC.OLD
B.XCOPYAUTOEXE
C.BATAUTOEXEC.OLD
C.DISKCOPYAUTOEXEC.BATAUTOEXEC.OLD
D.COPYAUTOEXEC.BATAUTOEXEC.OLD