[单项选择] The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application, a developer realizes that in multiple places within the current application, nearlyduplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicatecode?() A. Transfer Object B. Front Controller C. Service Locator D. Intercepting Filter E. Business Delegate F. Model-View-Controller