【单选题】The computer network is a creation of the electronic age. In a computer system, a hacker is worse than a thief entering your house. He could go through anyone's electronic mail or add to, change, dist...
A.
To show that a hacker is more dangerous than a thief.
B.
To tell people that thieves like to steal computers nowadays.
C.
To demand that a computer network should be set up against thieves.
D.
To look into the case where hackers and thieves are the same people.