After setting up a new computer, a user states that the mouse and keyboard will not work. Whichof the following is the MOST likely reason?（）A. The network cable is disconnectedB. The PS/2 connectors are switchedC. The USB connectors are switchedD. The hard drive is unplugged

单项选择题

After setting up a new computer, a user states that the mouse and keyboard will not work. Whichof the following is the MOST likely reason?（）

A. The network cable is disconnected
B. The PS/2 connectors are switched
C. The USB connectors are switched
D. The hard drive is unplugged

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