Which of the Following Is NOT True

Which of the following is NOT true?

A) While the overall quality of life and standard of living have increased in Mexico since the 1940s, inequality in wealth distribution has increased during this period.
B) In terms of standard measures of social development, Mexico fell behind many Latin American countries that also developed in the period after 1940.
C) Despite rapid industrialization and urbanization, Mexico has largely been successful in addressing environmental problems that typically accompany these phenomena.
D) One of the greatest achievements of Mexico's economic development has been the development of a large middle class.
E) Mexico City is one of the most polluted cities in the world, and in some rural areas oil exploitation left devastating environmental damage.