Which of the Following Is NOT Generally Involved in Green

Which of the following is NOT generally involved in green marketing?

A) developing products whose production, use or disposal is less harmful to the environment than the traditional versions of the product
B) developing products that have a positive impact on the environment
C) pricing products lower than the competition
D) tying the purchase of a product to an environmental organization or event
E) All of the above are involved in green marketing.