She sat on the top of the stairs _____ her head on her crossed arms and cried.

  A. for             B. when                C. with                 D. while

She sat on the top of the stairs ______ her head on her crossed arms and cried.

1. A.
   for
2. B.
   when
3. C.
   with
4. D.
   while

She sat on the top of the stairs _____ her head on her crossed arms and cried.