Around the 1990s,physicians' Authority Began to Decline for Several Reasons,one

Multiple Choice

Around the 1990s,physicians' authority began to decline for several reasons,one of which was that more physicians were associated with health maintenance organizations (HMOs) .This meant that:

A) there were changes in the way we paid for care.
B) doctors were always paid per treatment rather than per patient.
C) doctors were allowed to work only four days per week.
D) doctors were not allowed to make more than the owner of the HMO.