What is the purpose of the "Green Movement"？A．To make full use of the metals left.B．To pro

What is the purpose of the "Green Movement"？

A．To make full use of the metals left.

B．To protect the forest resources from being destroyed.

C．To call for stopping using plastic meal-boxes.

D．To awaken people to the environmental problems.

请帮忙给出正确答案和分析，谢谢！