PT 60 S3 Q3

Unless the building permit is obtained by February 1 ofthis year or some ... ...

The conclusion drawn follows logically from the premises if which one of the following is assumed?
(A) All of the other activities necessary for construction of the library will take at least as much time as originally planned.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-B, June '10 LSAT (PT 60 Sec. 3)