The students all for Tony's proposal that the lecture ( ).

The students all for Tony's proposal that the lecture ( ).
A、be put off
B、will be put off
C、must put off
D、should put off
【正确答案】：A
【题目解析】：考核虚拟语气，proposal that 从句用should+v.或者v.，句子含义是学生们赞成这个把讲座推迟的提议。