In the Context of Stock Indices, Which of the Following

In the context of stock indices, which of the following is a difference between the Dow Jones Industrial Average (DJIA) and the Standard & Poor's 500 (S&P 500) ?

A) Unlike the S&P 500, the companies included in the DJIA are small, upcoming American corporations.
B) Unlike the DJIA, the S&P 500 is a much broader index.
C) Unlike the S&P 500, the DJIA tracks stock prices of 100 U.S. corporations.
D) Unlike the DJIA, the S&P 500 is the most widely followed stock index.