Given the Aggregate Demand Curve, What Effects Would a Beneficial

Given the aggregate demand curve, what effects would a beneficial supply shock have on output and price level?  

A)  Output would decrease, and the price level would increase. 
B)  Output would decrease, and the price level would decrease. 
C)  Output would increase, and the price level would decrease. 
D)  Output would increase, and the price level would increase.