In the early 2000s the European Central Bank warned that higher oil prices were a threat to economic growth. The Bank President called the higher prices "a sizealbe adverse shock: to the economy. In terms of the AS/AD framework, this shock would be represented as a shift:
A: Up (to the left) of the AS curve
B: down (to the right) of the AS curve
C: Left of the AD curve
D: right of the AD curve