GWD2-3

我这个是31套,这里好象叫涛涛什么,请问这种31套的有没有讨论贴呢,我想这道一定有人问过,如果有麻烦留个连接给我麻烦拉，我真的找不到

另外我这个31套的GWD和你们那些携程和天山有什么分别,还有为什么你们的GWD和我的题号是不同的,麻烦回答一下,

Not one of the potential investors 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 not to be concluded.

A.   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

B.   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

C.   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

D.  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

E.   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

这里的C  UNTIL后面为什么有BE SIGNED,UNTIL后面不是只能跟时间段吗??