[单项选择]Passage 3 The advent of computers has brought with it a new set of opportunities for mischief (危害) and crime. Today, computers are easy to come by and many people know how computer technology works. More importantly, the growing use of computer networks can multiply a breach (破坏) of security, making larger numbers of people more vulnerable(脆弱的) than would be the case if they were using single, stand-alone computers. What’s more, computer experts agree that despite recent widespread publicity- computer viruses(病毒) are only one of many computer security problems facing the nation. The U.S. Defense Advanced Research Project Agency has requested that the Research Council’s(委员会) Computer Science and Technology Board assess(评定) the security problems posed by computer technology, see what solutions may already exist, review research efforts aimed at avoiding security problem in the future, and evaluate existing policies relevant to computer security. The study committee will
A. consider research efforts to keep away from security problems in the future
B. assess the security problems put forward by computer technology
C. evaluate policies for computer security
D. do all of the above

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