A Meta-Analysis That Focused Only on "Well-Designed" Studies of Moderate

A meta-analysis that focused only on "well-designed" studies of moderate drinking and coronary heart disease found that

A) red wine reduced the number of heart attacks.
B) red wine reduced the severity of heart attacks.
C) red and white wine were both beneficial.
D) any alcohol in moderate amounts reduced both the incidence and severity of heart attacks.
E) none of the above