Though we are not walking slowly, I still think that it won’t be _________ he _________up with us.

A．long before; catches

B．before long; catches

C．for long; caught

D．long until; will catch

在张力性气胸的病理生理改变中，下列哪项是错误的( )

A．较大较深的肺裂伤，裂口形成活瓣
B．纵隔左右摆动
C．严重呼吸循环障碍
D．严重皮下气肿形成
E．伤侧和健侧肺均被严重挤压