Which Best Describes How the Government Was Successful at Containing

Which best describes how the government was successful at containing costs?

A) The original legislation for Medicare and Medicaid had built-in cost controls
B) Certificate-of-need requirements restricted provider overtreatment
C) Utilization review determined appropriateness of care
D) Prospective payments were based on diagnosis-related groups (DRGs)
E) Peer standard review organizations were effective watchdogs.