问题：
[单选题]设备驱动程序是系统提供的一种通道程序，它专门用于在请求I/O的进程与设备控制器之间传输信息下面的选项中不是设备驱动程序功能的是（）
A、检查用户I/O请求的合法性
B、及时响应由控制器或通道发来的中断请求
C、控制I/O设备的I/O操作
D、了解I/O设备的状态，传送有关参数，设置设备的工作方式
参考答案：
C
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