”Holding all other relevant factors constant, consumers will purchase more of a good as the price falls.” This statement reflects the behavior underlying:

”Holding all other relevant factors constant, consumers will purchase more of a good as the price falls.” This statement reflects the behavior underlying:

A.the supply curve.

B.a decrease in the demand curve.

C.an increase in demand.

D.the demand curve.

正确答案：the demand curve.