When the Market Basket Is Tracked Over Time, the Goods

When the market basket is tracked over time, the goods within the basket:

A) remain the same, and only changing prices are captured.
B) change to reflect the purchasing habits of a typical consumer each year.
C) change to reflect the purchasing habits of a typical consumer each year, but prices are held constant, so it measures changes in consumption.
D) remain the same, and prices are held constant on items that are important to consumers.