. The purpose of the research had a more important meaning for them than ____.

A．ours

B．those of ours

C．it had for ours

D．it did for us

对体育馆运动物品管理信息系统所需软件费用进行估计的工作属于（）。

A.经济可行性研究

B.营运可行性研究

C.技术可行性研究

D.资金可行性研究