Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) Wage differentials have decreased substantially since the economic upturn that began in 1999.
B) The average level of disposable income has decreased steadily since market reforms were introduced in the early 1990s.
C) Many Russians of all age groups question some of the values underlying market reform.
D) Urban residents have been less likely to benefit from market reform than rural residents.
E) All of the above statements are true.