The Figure Above Shows Some Phillips Curves for an Economy

The figure above shows some Phillips curves for an economy.
-In the figure above,the shift from the short-run Phillips curve SRPC₀ and the long-run Phillips curve LRPC0 to the short-run Phillips curve SRPC2 and the long-run Phillips curve LRPC2 is the result of ________ in the expected inflation rate and ________ in the natural unemployment rate.

A) a decrease;a decrease
B) a decrease;an increase
C) no change;a decrease
D) an increase;no change
E) an increase;an increase