Refer to the Information Provided in Figure 3

Refer to the information provided in Figure 3.2 below to answer the questions that follow. Figure 3.2
-Refer to Figure 3.2. Which of the following would be most likely to cause the demand for macaroni and cheese to shift from D1 to D0?

A) an increase in the price of macaroni and cheese
B) an increase in the price of flour used to make macaroni and cheese
C) an increase in income, assuming macaroni and cheese is a normal good
D) an increase in the quantity demanded for macaroni and cheese