1. Two week notice being given to employers before leaving a job is the generally accepted protocol.

(A) Two week notice being given to employers before leaving

(B) Giving notice to employers of two weeks before having to leave

(C) Two week’s notice to give to employers before leaving

(D) Giving notice to employers two weeks before leaving（D）

(E) To give two weeks’ worth of notice before having to leave

我的问题是D为何是正确答案。因为逻辑主语应是同一个。谢谢