2848Paragraph 4 __________. 查看材料A.Effects of a strokeB568

Paragraph 4 __________. 查看材料 A.Effects of a stroke B.Annual cost of stroke in the US C.Definition and description of a stroke D.Breakthroughs in treatment E.Risk factors of stroke F.Warnin~ signs of a stroke 请帮忙给出正确答案和分析，谢谢！