What is the difference between access rights and audit trails?

What is the difference between access rights and audit trails?

A.
Access rights track object access; whereas, audit trails track which objects can be opened.

B.
Access rights determine which objects users can open; whereas, audit trails track object access.

C.
Access rights provide a level of security; whereas, audit trails enhance access rights security.

D.
Audit trails provide a level security; whereas, access rights provide for object access.