单选题Which of the following would a company implement to help reduce the cost of electricity？（）A Shutdown/power policiesB Redundant power suppliesC Use optical miceD Social engineering policy
题目
单选题
Which of the following would a company implement to help reduce the cost of electricity？（）
A
Shutdown/power policies
B
Redundant power supplies
C
Use optical mice
D
Social engineering policy
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参考答案和解析
正确答案：
D
解析：
暂无解析