1.        Pensions are now viewed as a deferred payment of salary, money a worker is compelled to put away to take care of one’s later years.

(A) a worker is compelled to put away to take care of one’s

(B) that a worker is compelled to put away to take care of oneself in

(C) a worker is compelled to put away to take care of oneself in

(D) workers are compelled to put away to take care of them in（E）

(E) workers are compelled to put away to take care of themselves in

不明白为什么选E，望指点下，多谢！

首先特指优于泛指排除1，2，3，根据句意，工人需要照顾自己本身，因此用返身代词themselves。

另外问一下，大全指什么资料啊？能否share一下？是PREP吗？thanks