单项选择题
AnadministratorcreatesanewdirectorythensharesitontheWindowsserver.Theadministrator setsthepermissionsforeveryoneto'Modify'butusersreporttheyareunabletocreateordelete documents.Whichofthefollowingisthecause？（）
A.Theadministratorforgottochangethesharepermissions
B.Theuserswerenotpartofthe“Everyone”builtingroup
C.Theadministratorsharedthefilesbutnotthefolder
D.“Modify”onlyallowsuserstochangeexistingdocuments
A.Theadministrator
B.Whichofthefollowingisthecause？（）
A.Theadministratorforgottochangethesharepermissions
C.Theuserswerenotpartofthe“Everyone”builtingroup
D.Theadministratorsharedthefilesbutnotthefolder
E.“Modify”onlyallowsuserstochangeexistingdocuments