Suppose the Economy Had Been Operating Along a Given Short-Run

Multiple Choice

Suppose the economy had been operating along a given short-run Phillips curve for several years, and then the economy experienced a year of stagflation.How would the year of stagflation be represented?  

A)  as a move upward along the short-run Phillips curve 
B)  as a move downward along the short-run Phillips curve 
C)  as a point above the short-run Phillips curve 
D)  as a point below the short-run Phillips curve