29． What should the hackers know well， do you think， after you read this story

题目：29． What should the hackers know well， do you think， after you read this story

A． Information．
B． Bank computer accounts．
C． Computers．
D． Grades．

喵查答案：C

29．C【解析】黑客是通过计算机来获得信息的，所以必须对计算机很精通．