The fifth edition of Noah Webster's American Dictionary of the English Language _______six months ______ the time previously set.      [ ]

A. published; a head of  

B. was published; advanced  

C. came out; in front of  

D. came out; ahead of

下列对城市边缘区表述不正确的是( )。

A．作为这两种发展方式的重合交叉地带，其发展十分迅速

B．在城市内边缘区，城市因素和乡村因素作用在不断增强

C．社会经济结构和生活方式都表现出许多现代城市特点

D．城市功能和乡村功能互为渗透，社会经济发展特殊而又十分活跃