What Did the Follow-Up Assessments from the Women's Health Initiative

What did the follow-up assessments from the Women's Health Initiative (WHI) study suggest about the role of hormones in coronary heart disease?

A) The data suggested that women in the estrogen group had decreased risk for CHD and stroke.
B) The data suggested that women in the progesterone group had decreased risk for CHD and stroke.
C) The data suggested that women in the combined group had decreased risk for CHD and stroke.
D) Women at risk for CHD should consider taking a combination of estrogen and progesterone.