An extremely confident Uttar Pradesh Congress chief Rita Bahuguna Joshi on Tuesday said that

herparty would manage to _____ approximately 100 assembly seats in the state.       [ ]

A. get close to                  

B. keep close to      

C. come ctose to                

D. live close to

背景材料：某工程基槽土方的体积为1500m³，槽内基础及垫层体积为600m³。根据施工组织的要求，槽内开挖的土方除留下基础及垫层施工完成后所需的回填土方外，余土全部在开挖后的3d内运走，已知运输使用的翻斗车的斗容量为2.5m，每辆翻斗车每天运土6次，Ks=1.25，Ks′=1.05。

土方开挖后的预留量为（）m³。

A.900

B.1071

C.857

D.1125