欲了解某药治疗人工荨麻疹的效果,将100名人工荨麻疹患者随机等分为两组,试验组用该药,对照组用已知的阳性药物。治疗30天后,试验组30例有效,有效率为60.0%;对照组37例有效,有效率为74.0%。采用成组设计四格表的[img=~/QImg/2013-10-14-11-12-39/image076.jpg]检验,则构成四格表的4个摹本数据是

A、[img=~/QImg/2013-10-14-11-12-39/image077.jpg]
B、[img=~/QImg/2013-10-14-11-12-39/image078.jpg]
C、[img=~/QImg/2013-10-14-11-12-39/image079.jpg]
D、[img=~/QImg/2013-10-14-11-12-39/image080.jpg]
E、[img=~/QImg/2013-10-14-11-12-39/image081.jpg]