Which of the Following Statements About American Budgetary Deficits Is

Which of the following statements about American budgetary deficits is MOST accurate?

A) Foreign investors are legally prohibited from purchasing U.S.securities.
B) Over the past thirty years, the deficit has risen sharply when Democrats controlled the White House and dropped precipitously when Republicans controlled it.
C) The government currently spends over half of its revenue paying interest on its debt.
D) The current deficit is substantially lower than it was in 2009.
E) Treasury bonds are increasingly difficult to sell, as they provide low returns, and the government has defaulted on them repeatedly in the past forty years.