You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process，you execute the following script： SQL>@utlu111i.sql Which statement about the execution of this script is true？（）
- A It must be executed from the Oracle Database 11g environment.
- B It must be executed only after the SYSAUX tablespace has been created.
- C It must be executed from the environment of the database that is being upgraded.
- D It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.
- E It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.