Lucy couldn’t remember when she met Tom, but she was sure it was on ______Monday when she had ______ music class.

A．/; the

B．the; /

C．a; a

D．/; a

哪个命令可以用来从命令提示中启动WindowsBackup（备份）向导（）

A.Ntdsutil

B.tbackup.exe

C.inback.exe

D.WinAT