219. Congress is debating a bill requiring certain employers provide workers with unpaid leave so as to care for sick or newborn children.
(A) provide workers with unpaid leave so as to
(B) to provide workers with unpaid leave so as to
(C) provide workers with unpaid leave in order that they
(D) to provide workers with unpaid leave so that they can(D)
(E) provide workers with unpaid leave and
答案是D 但我有一個問題 D裡面的they指的東西好像不是很明確
這個they可能指employers 或是workers?
請高人指點^^