If any man here does not agree with me, he should ________ his own plan for improving the living conditions．

1. A.
   put on
2. B.
   put out
3. C.
   put down
4. D.
   put forward

 If any man here does not agree with me, he should_____ his own plan for improving the living conditions of these people.

A. put on       B. put out     C. put in           D. put forward