A、 Query the V$TRANSPORTABLE_PLATFORMS view in the source database to determine if the intended destination is listed.

B、 Verify that there are no restrictions or limitations that the source or destination database may encounter.

C、 Verify that the source and destination have the same Oracle version critical updates，patch-set version，and patch- set exceptions.

D、 Determine if you will perform the conversion on the source or destination platform. 

E、 None of the above.