项目风险管理中最重要的步骤是( )。

A．风险定性分析

B．风险定量分析

C．风险识别

D．风险监测与控制

Which of the following is the most likely result of a technological improvement in a perfectly competitive industry（）

A. Individual firms’ supply curves shift to the left.

B. The industry supply curve shifts to the right.

C. The costs for individual firms increase.