When abandoning ship，after launching the motor lifeboat you should（）.

A.plot a course for the nearest land

B.take a vote on which direction you should go

C.stay in the immediate area

D.go in one direction until fuel runs out

孕足月临产后，一阵剧烈腹痛，随即宫缩停止，胎动消失，面色苍白，出冷汗，正确的诊断为（）

A．先兆子宫破裂

B．不全破裂

C．完全性子宫破裂

D．胎盘早剥