Kelly cooked dinner ____ her parents while they were cleaning

the yard.    

A. with   B. for   C. to

Kelly cooked dinner ______ her parents while they were cleaning the yard.

1. A.
   with
2. B.
   for
3. C.
   to

Kelly cooked dinner ____ her parents while they were cleaning
the yard.    
A. with   B. for   C. to