_____in the ticket hall for almost an hour, I suddenly realized I had left my ID card home.  [ ]

A. To wait            

B. To have waited    

C. Waiting          

D. Having waited

某新生女婴，出生后第4天，下列评估提示异常的是

A．体温37℃

B．脐带未脱落

C．体重比出生时下降12%

D． * * 外口少量血迹

E．皮肤轻度黄染