At the meeting, our monitor made a speech, promising to try our best to study well ________ us students．

1. A.
   in memory of
2. B.
   in place of
3. C.
   in honor of
4. D.
   on behalf of

 At the meeting, our monitor made a speech, promising to try our best to study well ______ us students.

A. in spite of        B. in place         C. on the whole                 D. on behalf of