Suppose the Expected Inflation Rate Is 8 Percent and the Unemployment

Suppose the expected inflation rate is 8 percent and the unemployment rate is 3 percent.If the inflation rate rises to 10 percent and the expected inflation rate does not change,

A) the short-run Phillips curve will shift upward.
B) the short-run Phillips curve will shift downward.
C) there will be a movement along the short-run Phillips curve.
D) the natural unemployment rate will rise.