() What is the main content of this audio clip.<br>A . Helping computer users to protect themselves from cyber attacksB . Giving suggestions on how to choose a good computer<br>C . Giving information about online crimes<br>D . Helping users to set up their computers

() What is the main content of this audio clip.
A . Helping computer users to protect themselves from cyber attacksB . Giving suggestions on how to choose a good computer
C . Giving information about online crimes
D . Helping users to set up their computers

出自：伊犁师范-教育技术应用能力

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