______ refers to the sameness or close similarity of meaning.

A．different wines work differently on drinkers at stroke risk
B．non-drinkers should also consume a moderate amount of alcohol
C．drinkers should keep to one kind of alcohol to ward off strokes
D．moderate alcohol consumption protects against strokes

A．heart attacks are more likely caused by alcohol than stroke
B．moderate drinking discourage blood platelets from clotting
C．boosting the levels of good cholesterol can lead to heart attacks
D．moderate drinking protect people by making the blood cell clump