____that she didn’t do a good job,I don’t think I am abler than her.

A．To have said

B．Having said

C．To say

D．Saying

确诊前置胎盘首选

A．产后检查胎膜陂口距胎盘边缘5cm

B．腹部正位片，子宫体部无胎盘影

C．窥器检查宫颈未见病变

D．B型超声检查可见胎盘覆盖宫颈内口

E． * * 穹窿扪诊可发现宫颈口周围有软组织