________ that the Youth Olympic Games might be delayed due to severe air pollution, our government has made a promise to Jacques Rogge that they will spare no effort to settle the problem.

A．Warned

B．Having warned

C．Warning

D．Being warned

事务处理逻辑设计过程不包括（）

A.从数据流图中识别该事务对应的子数据流图

B.确定子数据图中的信息流类型，划定流界

C.事务处理逻辑

D.应用程序概要设计