—How was your holiday?  

—______. [ ]

A. Not good at all                    

B. Not bad

C. I don't want to talk about it        

D. Don't mention it

项目所需流动资金的估算方法可采用（）。

A.概算指标法

B.分项详细估算法

C.扩大单价法

D.扩大指标估算法

E.概算定额法