单选题
The main task now facing ecologists, environmental activists and conservationists is ______.
A、
to prevent pollution by legislation, economic incentives and persuasion
B、
to arouse public awareness of the importance of environmental protection
C、
to take radical measures to control environmental pollution
D、
to improve the quality of life by enforcing environmental standards
【正确答案】
C
【答案解析】
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