I don't understand what the engineer means , but I’ve got         rough idea of         project plan .

A．the; a

B．不填；the

C．the; 不填

D．a ; the

先兆子宫破裂的主要表现为()

A．休克

B．突然感到剧烈腹痛

C．病理性缩复环

D．宫颈口不继续扩张

E．胎心音消失