It has been proposed that we

It has been proposed that we ______ our decision until the next meeting.

delayed

delay

can delay

are to delay

答案及解析：本题考查虚拟语气B选项，句意：有人建议我们应将我们的决定推迟到下次会议提出。 在suggest, propose, demand ,insist 等动词后面的宾语从句中，应使用(should)+动词原形的虚拟语气。A，选项，一般过去时，与题意要求的时态不符，故排除。C，选项，与题意不符，故排除。D，选项，与题意不符，故排除。故正确答案为B选项。