One of the most important social problems of today is _____ jobs to the  unemployed.

1. A.
   what to be given
2. B.
   having given
3. C.
   how to give
4. D.
   to have given

One of the most important social problems of today is _____ jobs to the

  unemployed.

A. what to be given  B. having given

   C. how to give  D. to have given