How should you configure BSM to help you detect whether an attacker has removed audit records?

A.
Audit records already indicate this by default.
B.
You execute the command bsmconv +cnt and reboot.
C.
auditconfig -setpolicy +cnt should be added to /etc/security/audit_startup.
D.
auditconfig -setpolicy +seq should be added to /etc/security/audit_startup.