One of the reasons why business or government has
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One of the reasons why business or government has not taken tough measures to stop hacking is that______.
A. it will cause fear among the public
B. hacking has not caused much damage
C. tough measures are illegal
D. communication may be interrupted
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答案：D
此题问为何很多公司或政府机构没有采取严厉的措施制止黑客行为。短文最后一段提到“such defenses are expensive ; for another , they may interrupt communication”，故选D。