During the installation of Oracle Database 11g, you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation. How would this environment variable setting affect the installation?（）

• A、The installation terminates with an error.
• B、The installation proceeds with the default value without warnings and errors.
• C、The installation proceeds with the default value but it would not be an OFA-compliant database.
• D、The installation proceeds with the default value but a message would be generated in the alert log file.