Researchers Have Suggested Four Principles for Carrying Out Most Forms

Multiple Choice

Researchers have suggested four principles for carrying out most forms of ecological restoration and rehabilitation.Which one of the following is not one of these principles?

A) Find the cause of the degradation.
B) Stop the abuse by eliminating the causes.
C) Encourage the development of economic zones in the ecosystem.
D) Reintroduce species,especially keystone,foundation,and pioneer species.
E) Protect the area from further degradation.