As a Percentage of GDP,the Cost of Environmental Protection Is,according

As a percentage of GDP,the cost of environmental protection is,according to EPA estimates

A) more than the cost of providing health care to citizens of the United States.
B) more than the cost of national defense in the United States.
C) about the same cost as the combined amounts spent on health care and defense in the United States.
D) less than either the cost of defense or health care in the United States.