反映企业某一特定日期财务状况的报表是(　 　)。

A．现金流量表

B．利润表

C．资产负债表

D．成本核算表

A work authorization system can be used to （）．

A．manage who does each activity

B．manage what time and in what sequence work is done

C．manage when each activity is done

D．manage who does each activity and when it is done