billhasanauthornamesfieldnamedalleditorsthatcalculatesalistofpossibleeditorsofthedocbasedonvaluesusershasenteredintoanotherfield.Thelistonlycontainsusers’firstandlastnames,andonlyshouldbedisplayedtouserswhocaneditdoc.Whichofthefollowinghide-whenformulasshouldbillusetocontrolthedisplayofthefield?()
A.@isnotmember(alleditors,@username)
B.@isnotmember(@name([cn]);@username)
C.@isnotmember(alleditors;@name([cn];@username))
D.if(@isnotmember(alleditors;@name([cn];@username);@true;@false))