[单项选择]

Do your children lie to you and their friends about their activities online Do they feel empty, depressed and irritable when not at the computer Do they have problems with school or work, yet they always seem to feel energized again when they are at the computers surfing the internet If you answered "yes" to one or even more of the above questions, your children are suffering from internet addiction. The amount of time kids spend online is a source of headaches for many parents. At first, parents welcomed the Internet into their homes, believing they were opening up an exciting new world of educational opportunities for their children. But soon, to their disappointment, instead of using the Internet for homework or research, their kids were spending hours instant chatting with friends, playing online games or even talking to strangers in chat rooms, which is posing real dangers to the children.
Maintaining a healthy balance between entertainment media and other
A. Sending and receiving messages with their friends.
B. Causing dangers to the computers with viruses.
C. Chatting with people they don’t know in chat rooms.
D. Playing internet games with their computers.

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