单选题：计算机网络分为局域网、城域网和广域网，下列属于局域网的是（　　）。

题目内容：

计算机网络分为局域网、城域网和广域网，下列属于局域网的是（　　）。 A．ChinaDDN网
B．Novell网
C．Chinanet网
D．Internet

参考答案：

答案解析：

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