Mother was in the kitchen ______ lunch while I was ______  the coming exam.

1. A.
   prepared; prepared for
2. B.
   preparing; preparing for
3. C.
   prepared for; prepared
4. D.
   preparing for; preparing

Mother was in the kitchen ______ lunch while I was ______  the coming exam.

   A. prepared; prepared for                     B. preparing; preparing for

   C. prepared for; prepared                      D. preparing for; preparing

Mother was in the kitchen ______ lunch while I was ______  the coming exam.

   A. prepared; prepared for                     B. preparing; preparing for

   C. prepared for; prepared                      D. preparing for; preparing

 Mother was in the kitchen ______ lunch while I was ______  the coming exam.

Mother was in the kitchen ______ lunch while I was ______  the coming exam.