YouarecreatinganASP.NETWebsite.Thesitecontainspagesthatareavailabletoanonymoususers.ThesitealsocontainsapagenamedPremium.aspxthatprovidespremiumcontenttoonlymembersofagroupnamedSubscribers.Youneedtomodifytheweb.configfiletoensurethatPremium.aspxcanbeaccessedbyonlymembersoftheSubscribersgroup.Whichconfigurationshouldyouuse？（）A.locationpath=Premium.aspxsystem.webauthorizationallowusers=Subscribers/denyusers=*//authorization/system.web/locationB.locationpath=Premium.aspxsystem.webauthorizationallowroles=Subscribers/denyusers=*//authorization/system.web/locationC.locationpath=Premium.aspxsystem.webauthorizationallowroles=Subscribers/denyusers=?//authorization/system.web/locationD.locationpath=Premium.aspxsystem.webauthorizationdenyusers=*/allowroles=Subscribers//authorization/system.web/location
YouarecreatinganASP.NETWebsite.Thesitecontainspagesthatareavailabletoanonymoususers.ThesitealsocontainsapagenamedPremium.aspxthatprovidespremiumcontenttoonlymembersofagroupnamedSubscribers.Youneedtomodifytheweb.configfiletoensurethatPremium.aspxcanbeaccessedbyonlymembersoftheSubscribersgroup.Whichconfigurationshouldyouuse？（）
A.<locationpath="Premium.aspx"><system.web><authorization><allowusers="Subscribers"/><denyusers="*"/></authorization></system.web></location>
B.<locationpath="Premium.aspx"><system.web><authorization><allowroles="Subscribers"/><denyusers="*"/></authorization></system.web></location>
C.<locationpath="Premium.aspx"><system.web><authorization><allowroles="Subscribers"/><denyusers="?"/></authorization></system.web></location>
D.<locationpath="Premium.aspx"><system.web><authorization><denyusers="*"/><allowroles="Subscribers"/></authorization></system.web></location>