大侠帮帮忙！请教大全38，很困惑

1.        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（C）

(E) it is four times as likely that the elderly in the United States will give their children regular financial aid as they are

请问一句话中的their 和them 可以指代不同对象吗？比如C。

帮个忙啦

一般来说，这当然是不好的啦。但在这道题里我们只能选最优了。

(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（C）

(E) it is four times as likely that the elderly in the United States will give their children regular financial aid as they are

BDE都有严重的平行问题

thanks