In Recent Years, Inflation Expectations Have Fallen

In recent years, inflation expectations have fallen. How did this shift the short-run Phillips curve, and what are the implications for unemployment?

A) This shifted the short-run Phillips curve left, meaning that at any given inflation rate, unemployment will be lower in the short run than before.
B) This shifted the short-run Phillips curve right, meaning that at any given inflation rate, unemployment will be lower in the short run than before.
C) This shifted the short-run Phillips curve right, meaning that at any given inflation rate, unemployment will be higher in the short run than before.
D) This shifted the short-run Phillips curve left, meaning that at any given inflation rate, unemployment will be higher in the short run than before.