【求助】看了半天旧帖 也没看出为啥 大全637的B是错的啊 NN给讲讲啊

wytk

637.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) have half or less than half the chance of dying of a heart attack as those who are sedentary

(B) have half the chance, or less, of dying of a heart attack 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 fifty percent less likely to die of a heart attack as those who are sedentary

(E) are at least fifty percent less likely than those who are sedentary to die of a heart attack

答案是E 。。。 B为啥错呢
看了半天旧帖 也没看出为啥 大全637的B是错的啊 NN给讲讲啊

谢谢

毛毛carina

have half the chance, or less, of dying of

这里很awkward and wordy

xyarsenal

没话说了 倒推每个错的题目都是awkward and wordy