When Considering an Entire Industry,the Marginal Benefit of Reducing Pollution

When considering an entire industry,the marginal benefit of reducing pollution is expected

A) to fall as the amount of pollution abatement rises.
B) to exceed the marginal cost of pollution abatement for all positive levels of pollution.
C) to rise as the level of pollution gets closer to zero.
D) to be always greater than the marginal cost of pollution reduction.
E) to remain constant for all levels of pollution control.