Which of These Does Not Apply to the Consumer Price

Which of these does not apply to the Consumer Price Index (CPI) ?

A) The CPI measures changes in the cost of a "market basket" of goods and services that a typical consumer would be likely to purchase.
B) The CPI is supposed to measure the changing cost of maintaining the same standard of living that existed during the base period.
C) The CPI is a complete cost-of-living index.
D) All of the above apply to the CPI.