How Would a Beneficial Supply Shock Affect the Aggregate Supply

How would a beneficial supply shock affect the aggregate supply curves?  

A)  The long-run aggregate supply curve would shift inward, and the short-run aggregate supply curve would shift inward. 
B)  The short-run aggregate supply curve would shift inward, and the long-run aggregate supply curve would shift outward. 
C)  The short-run aggregate supply curve would shift outward, but the long-run aggregate supply curve would remain the same. 
D)  The long-run aggregate supply curve would shift outward, and short-run aggregate supply curve would shift outward.