If Steven's Income Decreases And,as a Result,he Chooses to Buy

If Steven's income decreases and,as a result,he chooses to buy fewer bagels per month at each price his demand curve will

A) shift inward.
B) shift outward.
C) not shift; instead, Steven will move along his demand curve downward and to the right.
D) not shift; instead, Steven will move along his demand curve upward and to the left.