We are all for your proposal that the discussion .A. be put offB. was put offC. should put

问题补充：

We are all for your proposal that the discussion .

A. be put off

B. was put off

C. should put off

D. is to put off

答案：

(答案→)A. be put off

B. was put off

C. should put off

D. is to put off

解析：在advice，demand，order，request，suggestion，proposal，requirement，recommendation等名词后的表语从句和同位语从句中，谓语动词用“(should＋)动词原形”。