下列哪项结果不提示胎儿窘迫()

A.胎儿头皮血pH值小于7.25

B.胎儿监护仪提示迟发胎心减慢

C.羊膜镜检查羊水绿色

D.宫缩时超声多普勒检查胎心率小于120／分

E.OCT试验阳性

John ________ to Japan on business. He’ll be back ________ a few days.

A．goes; in

B．went; after

C．has gone; in

D．go; after