单项选择题

It is implied in the third paragraph that______.

A．many more computer crimes go undetected than are discovered
B．the rapid increase of computer crimes is a troublesome problem
C．most computer criminals are smart enough to cover up their crimes
D．most computer criminals who are caught blame their bad luck
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单项选择题
It can be concluded from the passage that______.
A．it is still impossible to detect computer crimes today
B．1 computer crimes are the most serious problem in the operation of financial institutions
C．computer criminals can escape punishment because they can't be detected
D．people commit computer crimes at the request of their company
单项选择题
What may happen to computer criminals once they are caught
A．With bad reputation they can hardly find another job.
B．They will be denied access In confidential records.
C．They may walk away and easily find another job.
D．They must leave the country or go to jail.
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