Why does the writer mention "a thief" in the first paragraph? ______ The main reason why business or government has not taken t

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问题 Why does the writer mention "a thief" in the first paragraph? ______
The main reason why business or government has not taken tough measures to stop hacking is that ______.

选项 A、they will cost too much money
B、communication may be interrupted
C、hacking has not caused much damage
D、tough measures are illegal

答案B

解析 最后一段谈到至今没有采取强硬手段制止hacking,是因为①代价太大,②通信将中断。而第二个原因是主要的,所以B是正确答案。
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