Which of the Following Is TRUE

Which of the following is TRUE?

A) The Four Great Pollution Trials led to the enactment of stiff anti-pollution laws that have substantially reduced pollution in the country.
B) The Four Great Pollution laws led to the enactment of stiff anti-pollution laws but these have not substantially reduced pollution in the country.
C) Environmental issues have been in the forefront of the public's attention since the 1950s and 1960s.
D) Among industrialized countries, Japan has one of the best records in reducing greenhouse gas emissions.
E) Although Japan has a large number of nuclear reactors, these supply less than 10 percent of the country's energy.