单选题Which of the following standard symbols signifies that a packaged item was produced using hazardous materials industry guidelines？（）A Energy StarB Energy Star 2.0C PCI-ED RoHS
题目
单选题
Which of the following standard symbols signifies that a packaged item was produced using hazardous materials industry guidelines？（）
A
Energy Star
B
Energy Star 2.0
C
PCI-E
D
RoHS