Little     about her own safety, though she was in great danger herself.

A．did Rose care

B．Rose did care

C．Rose does care

D．does Rose care

用表格法进行偏差分析的优点有（）。

A.能准确表达施工成本的绝对偏差

B.反映的信息量大

C.灵活、适用性强

D.形象、直观

E.可借助于计算机