The so-called Golden Rule is such an obvious, commonsensical truism that it seems almost foolish to（）it.

A. Certain organs are more reponsive than others to the hormones created by environmental pollutants.
B. The incidence of breast cancer correlates with the presence of environmental pollutants.
C. A great deal of evidence has been amassed linking environmental pollutants with cancer in animals.
D. Cancer diagnosis has become more reliable than it once was.
E. Cancer of the liver, an organ that is hormonally responsive to environmental pollutants, is rising globally.

A.chronicling the evolution of attitudes toward photography
B. explaining how photography emerged from the tradition of visual art and literature
C. exposing an unrecognized problem in the way photographs are perceived by the public
D. explaining why some critics have come to prefer photography over other artistic mediums
E. identifying the various solutions to critical problems in photography that have arisen since its invention