The 2007 State of the Great Lakes Report Found All

The 2007 State of the Great Lakes report found all of the following problems still exist in the lakes, except

A) Native carnivorous fish are declining in most of the lakes.
B) There is continuing wetland loss and degradation of habitats.
C) New pollutants in the lakes including pharmaceuticals.
D) Populations of native species at the base of the food chain are declining.
E) Dissolved oxygen levels continue to decline.