The suggestion that the meeting___ requires___.A be put off;being considered

问题描述:

The suggestion that the meeting___ requires___.A be put off;being considered
B be put off ;to be considered C should be put off;considered D should be put off;being considered
每个选项为什么不对都写一下
翻译及考查知识点都写一下

C should be put off;considered解释一下 其他的为什么不对??翻译及考查知识点建议,应该使用should, requires后面应该跟不定式to be considered,to be可以被省略,直接使用过去分词considered