1.        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

如果答案是D,they 也会造成歧义阿，不知是employers还是workers？