If the Price Consumption Curve of Good X, Which Is

If the price consumption curve of good X, which is on the horizontal axis, slopes downward, we can be sure that

A) Consumers spend less money on X even though they buy more of it
B) Consumers spend the same proportion of their budget on X
C) Consumers spend more money on X but they get more of X
D) Consumers spend more money on X but they get less of X