单选题When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）AThe keyboard driver needs to be updated.BThere are conflicting serial ports.CThe mouse driver needs to be updated.DThe user is brushing the touch pad while typing.
单选题
When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）
A
The keyboard driver needs to be updated.
B
There are conflicting serial ports.
C
The mouse driver needs to be updated.
D
The user is brushing the touch pad while typing.
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