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【单选题】
The programs which were used by the hackers were ______.
A.made by the hackers and put on computers
B.not found by the experts
C.prepackaged and found on many computers
D.hard to find
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根据网考网考试中心的答案统计,该试题:
15%的考友选择了A选项1%的考友选择了B选项73%的考友选择了C选项11%的考友选择了D选项
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