单选题Chinese Wall模型的设计宗旨是:()。A用户只能访问哪些与已经拥有的信息不冲突的信息B用户可以访问所有信息C用户可以访问所有已经选择的信息D用户不可以访问哪些没有选择的信息

单选题
Chinese Wall模型的设计宗旨是:()。
A

用户只能访问哪些与已经拥有的信息不冲突的信息

B

用户可以访问所有信息

C

用户可以访问所有已经选择的信息

D

用户不可以访问哪些没有选择的信息


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