The premier minister ordered that he ______ of everything that is going and required that all the working   staff _______this order.     [ ]

A. would be informed; would obey  

B. be informed; obey  

C. should inform; should obey      

D. had been informed; obeyed

分项工程直接费常用估价方法中，为保证估价的正确和合理性，( )应包括制定施工计划，计算各项作业的资源费用。

A．定额估价法

B．匡算估价法

C．作业估价法

D．概算指标法