单选题A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）A The laptop is not turned offB The power cable is not unpluggedC The lock button is set to lockD The ACPI settings are configured improperly
题目
单选题
A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）
A
The laptop is not turned off
B
The power cable is not unplugged
C
The lock button is set to lock
D
The ACPI settings are configured improperly