Which of the Following Helps Explain the Escalating Costs Associated

Which of the following helps explain the escalating costs associated with Medicare?

A) The payment formula for Medicare benefits is rigged to increase faster than the rate of inflation.
B) The housing crash of 2007-2009 meant that more senior citizens qualified for Medicare because they lacked income or assets.
C) In 2007, Congress reduced the age of eligibility for Medicare, so the number of recipients increased.
D) In 2003, Congress added a prescription drug benefit to Medicare without any offsetting cost savings.