—— Are you a visitor here?

—— That’s right.I＿＿＿round the world and now my dream of coming to China＿＿＿true.

A．have traveled； has come

B．was traveling； had been come

C．am traveling； has come

D．have traveled； has been come

某初产妇34岁，妊娠39周，规律宫缩2小时，宫口开大4cm，给予肌内注射缩宫素3U，宫缩持续不缓解，胎心率为90～100次／分，缩复环上升达脐平

应考虑的诊断是（）

A.痉挛性子宫收缩

B.胎盘早剥

C.子宫收缩过强

D.高张性宫缩乏力

E.先兆子宫破裂