单选题Which of the following should the technician do FIRST when replacing a motherboard?（）AUse a benchmarking toolBUse anti-static wrist bandCRemove the CPUDRemove the power supply
单选题
Which of the following should the technician do FIRST when replacing a motherboard?（）
A
Use a benchmarking tool
B
Use anti-static wrist band
C
Remove the CPU
D
Remove the power supply
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