求一道题的解答

lelouchn

38.    According to a recent study, the elderly in the United States are four times more likely to give regular financial aid to their children as to receive it from them.
(A) the elderly in the United States are four times more likely to give regular financial aid to their children as
(B) the elderly in the United States are four times as likely to give regular financial aid to their children as it is for them
(C) the elderly in the United States are four times more likely to give regular financial aid to their children than
(D) it is four times more likely for the elderly in the United States to give regular financial aid to their children than they are
(E) it is four times as likely that the elderly in the United States will give their children regular financial aid as they are
答案选A，但是根绝prep中的原则，the elderly不能做它的逻辑主语，所以有点迷糊，请大牛解答

lelouchn

请大牛帮帮忙