题目内容:
根据以下材料回答:








Mostcomputer users have symptoms of CVS because of__________
[A] dry, red, or burning eyes and blurred or doublevision
[B] glare, poor lighting, and improper workstationsetup
[C] not keeping their monitor two feet away fromthem
[D] not using a computer that protects their eyes
参考答案:
答案解析: