Which of the Following Is True of Progress in the Treatment

Which of the following is true of progress in the treatment and prevention of CHD in the United States?

A) Mortality rates have increased among men.
B) CHD is no longer the number 1 cause of death in women.
C) Blood cholesterol levels have been declining since 1960.
D) By age 45, about 1/3 of adults have at least one major risk factor for CHD, down from 1/2 20 years ago.
E) Efforts to reduce CHD incidence by reducing cigarette smoking have largely failed.