单选题Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）A Acquire the appropriate tools that are going to be used.B Touch the case to discharge static.C Remove loose jewelry.D Refer to manufac
题目
单选题
Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）
A
Acquire the appropriate tools that are going to be used.
B
Touch the case to discharge static.
C
Remove loose jewelry.
D
Refer to manufacturer documentation.