YouarecreatinganASP.NETWebsite.ThesiteisconfiguredtouseMembershipandRolemanagementproviders.Youneedtocheckwhetherthecurrentlylogged-onuserisamemberofarolenamedAdministrators.Whichcodesegmentshouldyouuse？（）A.boolisMember=Roles.GetUsersInRole（"Administrator

YouarecreatinganASP.NETWebsite.ThesiteisconfiguredtouseMembershipandRolemanagementproviders.Youneedtocheckwhetherthecurrentlylogged-onuserisamemberofarolenamedAdministrators.Whichcodesegmentshouldyouuse？（）

A.boolisMember=Roles.GetUsersInRole（"Administrators"）.Any（）

B.boolisMember=Membership.ValidateUser（User.Identity.Name，"Administrators"）

C.boolisMember=Roles.GetRolesForUser（"Administrators"）.Any（）

D.boolisMember=User.IsInRole（"Administrators"）