Which two statements are true about the working of fine-grained access?

Which two statements are true about the working of fine-grained access?
(Choose two.)

A.
Security policies can be associated only with tables, but not with views.

B.
Different policies can be used for SELECT, INSERT, UPDATE, and DELETE statements.

C.
User statements are dynamically modified by the Oracle server through a security policy function.

D.
Fine-grained access control policies always remain in effect until they are dropped from a table or view.