Some companies are reported to have stopped production, having ________ working capital.

A．run out of

B．run out

C．been used up

D．died out

26岁，初孕妇，现妊娠40周，近半月头痛，眼花，今晨出现剧烈头痛，并呕吐2次，来院就诊。

具有最重要的参考价值的病史是

A．既往无头痛史

B．既往血压正常

C．有高血压家族史

D．有患病毒性肝炎史

E．有多次泌尿系统感染史