A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal？（）
- AInclude a listener directive in a JSP page
- Bconfigure a listener in the TLD file using the element
- CInclude a element in the web application deployment descriptor
- Dconfigure a listener in the application deployment descriptor， using the element
- EInclude a class implementing ServletContextListener as part of the web application deploymen