求教一题

jinyan1327

Several studies have found that the coronary patients who exercise most actively (have half or less than half the chance of dying of a heart attack as those who are sedentary)
A)原文B)have half the chance, or less ,of dying of a heart atttack than those who are sedentary do
C)have half the chance that they will die of a heart attack, or less ,than those who are sedentary do
D)are at least fifity percent less likely to die of a heart attack as those who are sedentary
E)are at least fifty percent less likely than thosewho are sedentary to die of a heart attack

jinyan1327

多谢多谢！！

线香花火

选E？？
如果是的话我觉得ABC的have half the chance, or less 不如at least简洁，然后D项的to错误。。。比较要用than