A.Forallfiles,denytheTakeownershippermissiontotheEveryonegroup.
B.FromtheLocalSecurityPolicy,modifytheEncryptingFileSystem(EFS)properties.
C.FromtheCertificatessnap-in,deletetherecoveryagentcertificate.
D.FromtheCertificatessnap-in,deletealltrustedrootcertificationauthority(CA)certificates.
参考答案：B
