女，35岁。孕39周，G1P0，无痛性 * * 出血5小时，l小时前出现不规律宫缩， * * 出血量约500ml，腹部检查ROA，胎头高浮，胎心160次/分，耻骨联合上可闻胎盘杂音。该患者最恰当的处理是

A．止血药

B．开放静脉，行 * * 检查

C．立即行剖宫产

D．静脉滴注缩宫素

E．人工破膜后头皮牵引，促分娩

An analyst gathers the following data about a company and the industry in which it operates:

Which of the following conclusions is most reasonable Compared to the industry, the company:()

A. has the same cost structure and net profit margin.

B. has a lower gross profit margin and spends more on its operating costs.

C. is better at controlling product costs, but less effective at controlling operating costs.