在Windows时系统中对用户组默认权限由高到低的顺序是()。如果希望某用户对系统具有完全控制权限,
A.everyone→administrators→power users→usersB.administrators→power users →users→everyoneC.power users→users→everyone→administratorsD.users→everyone→administrators →powerusersA.EveryoneB.usersC.power usersD.administrators