单选题Which of the following should the technician do FIRST when replacing a motherboard?（）A Use a benchmarking toolB Use anti-static wrist bandC Remove the CPUD Remove the power supply
题目
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