乙因病需要换肾，其兄甲的肾脏刚好配型成功，甲乙父母和甲均同意由甲捐肾。因甲是精神病人，医院拒绝办理。后甲意外死亡，甲乙父母决定将甲的肾脏捐献给乙。下列哪一表述是正确的？（ ）（2011年卷三单选第2题）

A．甲决定将其肾脏捐献给乙的行为有效

B．甲生前，其父母决定将甲的肾脏捐献给乙的行为有效

C．甲死后，其父母决定将甲的肾脏捐献给乙的行为有效

D．甲死后，其父母决定将甲的肾脏捐献给乙的行为无效

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and（）users. However, NAC is not a complete LAN（）solution; additional proactive and（）security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security（）. In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel（）inspection and microsecond threat containment.

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and（）users.

A．automated

B．distinguished

C．authenticated

D．destructed