She and her family hid away for nearly twenty-five months _____ they were discovered.

 She and her family hid away for nearly twenty-five months _____ they were discovered.

Anne and her family hid away for nearly twenty-five months ________ they were discovered．

1. A.
   after
2. B.
   when
3. C.
   before
4. D.
   that

She and her family hid away for nearly twenty-five months _____ they were discovered.

1. A.
   After
2. B.
   since
3. C.
   until
4. D.
   before

Anne and her family hid away for nearly twenty-five months       they were discovered.

   A. after       B. when          C. before          D. that