Which of the Following Statements About Payment Models Promulgated from the ACA

Which of the following statements about payment models promulgated from the ACA is/are TRUE?

A) ACA promulgated payment models have resulted in significant changes in delivery & payment for healthcare services
B) ACA promulgated payment models have resulted in model redesign proceeding payment redesign
C) ACA promulgated payment models based on outcomes is an innovative payment approach
D) ACA promulgated payment models have resulted in a major organizational paradigm shift
E) All of the above