在window7系统中，可以使用快捷键（）使得某文件被永久删除而不被放入“回收站”中。

A. [img]https://img.shiyebian.net/sybshijuan/590/1.png[/img]
B. [img]https://img.shiyebian.net/sybshijuan/590/2.png[/img]
C. [img]https://img.shiyebian.net/sybshijuan/590/3.png[/img]
D. [img]https://img.shiyebian.net/sybshijuan/590/4.png[/img]