A D. market basket contains thousands of specific items that represent what average urban households purchase month after month.
In economy, this economic market basket's items refers to goods and services purchased. It is used to track price changes over time and determine inflation levels, to help measure the cost of living of a giving group of people and help predict consumer purchase trends.
Some examples of the categories of items found there are food, beverages, housing, apparel, transportation, medical care, and education.