Which of the Following Statements Is/are Incorrect About the Advocacy

Which of the following statements is/are incorrect about the Advocacy Coalition:

A) The model for this framework has changed frequently since its inception
B) Deals with "wicked problems" and important technical disputes
C) Premise: understanding policy change takes at least a decade
D) Premise: most useful way to think about policy change is through policy subsystems
E) Premise: public policies can be conceptualized in the same manner as belief systems