It is recommended that the project ( ) until all the preparati

It is recommended that the project ( ) until all the preparations have been made.
A、will not be started
B、is not started
C、not be started
D、not to be started
【正确答案】：C
【题目解析】：考核虚拟语气，It is recommended that 从句用should +v.或者是v.，句子含义是要求在所有准备工作完成后，这项工程再开始。