A Company.com developer is designing the presentation tier for a web application that relies on a complex session bean. The session bean is still being developed and the APIs for are NOT finalized. Any changes to the session bean API directly impacts the development of the presentation tier. Which design pattern provides a means to manage the uncertainty in the API？（）

A. View Helper
B. Front Controller
Composite View
D. Intercepting Filter
E. Business Delegate
F. Chain of Responsibility