How should you cleanly shut down the OC4J instance?

You have started an instance of OC4J to test a Forms application on your development PC.
How should you cleanly shut down the OC4J instance?

A.
Close the window from which OC4J started.

B.
Make a section from the Forms Builder menu.

C.
Execute a batch file that is included with Oracle9iDS.

D.
Close Forms Builder, which automatically shuts down OC4J.

E.
Exit all running forms and close the browser, which automatically shuts down OC4J.