The Congressional Budget Office Estimates That ________ Account(s)for Less Than

The Congressional Budget Office estimates that ________ account(s) for less than 1 percent of health care costs in the United States.

A) the aging population
B) uninsured patients receiving treatment in hospital emergency rooms that could have been provided less expensively at doctor's offices
C) the payments to settle malpractice lawsuits and the premiums doctors pay for malpractice insurance
D) advances in medical technology