单选题：所谓计算机病毒是指（　　）。

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题目内容：
所谓计算机病毒是指（　　）。 A．能够破坏计算机各种资源的小程序或操作命令
B．特制的破坏计算机内信息且自我复制的程序
C．计算机内存放的、被破坏的程序
D．能感染计算机操作者的生物病毒
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