请教几个gwd语法题

Q1:

Neither First Lady Eleanor Roosevelt nor Secretary of Labor Frances Perkins sought recognition by the press, and both cautiously allowed others of the Roosevelt brain trust to take credit for the genesis of historic programs in public employment, relief, and social security that were in large measure what they had been responsible for.

1. to take credit for the genesis of historic programs in public employment, relief, and social security that were in large measure what they had been responsible for
           
2. to take credit for the genesis of historic programs in public employment, relief, and social security for which the two women were in large measure responsible
           
3. taking credit for the genesis of historic programs in public employment, relief, and social security for which the two women were in large measure responsible
           
4. taking credit for the genesis of historic programs in public employment, relief, and social security that were in large measure what they were responsible for
           
5. taking credit for the genesis of historic programs in public employment, relief, and social security which were largely their responsibility

韦什莫选B?

1. is expected to make an offer to buy First Interstate Bank until a merger agreement is signed that includes a provision for penalties if the deal were
               
2. is expected to make an offer for buying First Interstate Bank until they sign a merger agreement including a provision for penalties if the deal was
               
3. is expected to make an offer to buy First Interstate Bank until a merger agreement be signed by them with a provision for penalties if the deal were
               
4. are expected to make an offer for buying First Interstate Bank until it signs a merger agreement with a provision for penalties included if the deal was
               
5. are expected to be making an offer to buy First Interstate Bank until they sign a merger agreement including a provision for penalties if the deal were

韦什莫选C?

1. because of erosion, prehistoric glacier movement, and ancient, gold-bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach for
                   
2. because of erosion, prehistoric glacier movement, and volcanic activity that thrust ancient, gold-bearing riverbeds to the surface, and putting gold literally within reach of
                   
3. owing to erosion, prehistoric glacier movement, and volcanic activity that had thrust ancient, gold-bearing riverbeds to the surface, and putting gold literally within reach of
                   
4. since erosion, prehistoric glacier movement, and volcanic activity that thrust ancient, gold-bearing riverbeds to the surface, putting gold literally within reach for
                   
5. since erosion, prehistoric glacier movement, and ancient, gold-bearing riverbeds thrust to the surface by volcanic activity put gold literally within reach of

韦什莫选e?

谢谢！！！

不好意思发错地了,但还是请大侠们给解答一下吧。。。