Sentence Correction

Dear Friends,

I was having problems in answering the following question.

Unlike most severance packages, which require workers to stay until the last day scheduled to collect, workers at the automobile company are eligible for its severance package even if they find a new job before they are terminated.

(A) the last day scheduled to collect, workers at the automobile company are eligible for its severance package
(B) the last day they are scheduled to collect, workers are eligible for the automobile company's severance package
(C) their last scheduled day to collect, the automobile company offers its severance package to workers
(D) their last scheduled day in order to collect, the automobile company's severance package is available to workers
(E) the last day that they are scheduled to collect, the automobile company's severance package is available to workers


Please help.

OA after some discussions.

My choice was option E
Regards
Deano.