Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) Income inequality within most countries has increased during the past 20 years.
B) Income inequality across the entire world has decreased during the past 20 years.
C) Income inequality within most countries and across the entire world has not changed much during the past 20 years.
D) Both A and B are correct.
E) None of the above is correct.