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．the ban on federal funds for human cloning should be made a law
B．the cloning of human DNA is not to be put under more control
C．it is criminal to use private funding for human cloning
D．it would be against ethical values to clone a human being