Which of the Following Statements About U

Which of the following statements about U.S.inflation is not correct?

A) Low inflation was viewed as a triumph of President Carter's economic policy.
B) There were long periods in the nineteenth century during which prices fell.
C) The U.S.public has viewed inflation of even 7 percent as a major economic problem.
D) The U.S.inflation rate has varied over time, but international data shows even more variation.