If the Economy's AS Curve Is Very Steep and There

If the economy's AS curve is very steep and there is a negative aggregate demand shock,the result will be

A) an increase in the price level and a decrease in real national income.
B) an increase in both the price level and real national income.
C) a decrease in the price level with almost no change in real national income.
D) a decrease in the price level and an increase in real national income.
E) no change in either price level or output.