Which of the Following Statements Does NOT Describe a Problem

Which of the following statements does NOT describe a problem in measuring the consumer price index (CPI) ?

A) The CPI measures only private goods and services.
B) The CPI uses a fixed market basket of goods determined by surveys that are three to five years old.
C) Approximately 10% of the original market basket must be replaced each year by products that are improved or modified.
D) The CPI includes new products in its baskets.