单选题：显示与隐藏命令窗口错误操作的是（　　）

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  • 题目类型：单选题
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题目内容：
显示与隐藏命令窗口错误操作的是（　　） A．单机常用工具拦上的“命令窗口”按钮
B．退出VF，重新打开
C．按CTRL+F4和CTRL+F2组合键
D．通过窗口菜单下的命令窗口选项切换

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