Which Statement About Race and Ethnicity and CVD Is True

Which statement about race and ethnicity and CVD is true?

A) There is a higher incidence of CVD among non-Hispanic whites than among Americans in general.
B) Non-Hispanic whites tend to develop hypertension at an earlier age than African Americans.
C) There is a higher incidence of CVD among African Americans than among Americans in general.
D) Non-Hispanic whites experience less dilation of blood vessels in response to stress than do African Americans.