WhatistrueaboutaPre-BlockACLconfiguredwhensettingupyoursensortoperformIPBlocking？（）

A．ThePre-BlockACLisoverwrittenwhenablockingactionisinitiatiedbythesensor B．TheblockingACLentriesgeneratedbythesensoroverridethePre-BlockACLentries C．ThePre-BlockACLentriesoverridetheblockingACLentriesgeneratedbythesensor D．ThePre-BlockACLisreplacedbythePost-BlockACLwhenablockingactionisinitiatedbythesensor E．YoucannotconfigureaPre-BlockACLwhenconfiguringIPBlockingonyoursensor