Which action gives you the option to rebind packages with the ability to fall back to the original a

You are planning the migration of your DB2 subsystem from version 8 to version 9. Rebinding
existing packages is highly recommended, but you are also worrying about potential problems that
might occur with new access paths after rebind. Which action gives you the option to rebind
packages with the ability to fall back to the original access path if performance problems are
encountered?

A.
Use REBIND PACKAGE optionPLANMGMT(BASIC) or (EXTENDED). B. Use REBIND
PACKAGE option REOPT(ONCE).

C.
Use REBIND PACKAGE option OPTHINT.

D.
Use REBIND PACKAGE option KEEPDYNAMIC(YES).