单选题When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:（）Athe battery.Bthe memory cover and memory sticks giving access to the screws holding the keyboard in place.Cthe top bezel covering the screws holding the keyboard in place.Dthe AC power.
单选题
When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:（）
A
the battery.
B
the memory cover and memory sticks giving access to the screws holding the keyboard in place.
C
the top bezel covering the screws holding the keyboard in place.
D
the AC power.
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