25（）。

A. the environmental justice issues were first brought to court in Houston
B. environmental activists cooperated in defying the US government
C. the government intervention helped promote environmental justice
D. environmental problems attracted the attention of the government

A. The refusal of insurance companies to pay the bills
B. The increase of the number of doctors and hospitals
C. the lack of government control over the medical prices
D. The merger of private health care with the public system