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【单选题】
在Windows7资源管理器中选定某文件后,若要将其复制到不同盘的文件夹中,正确的操作是()。
A.
按住Alt键拖动鼠标
B.
按住Shift键拖动鼠标
C.
直接拖动鼠标
D.
按住Ctrl键拖动鼠标
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