To be qualified for the job , _________

A．ir is required that one has profound knowledge

B．profound knowledge is important

C．profound knowledge is a must

D．one needs to have profound knowledge

对城市化的提法，以下哪项是错误的( )

A．城市化是与全球经济一体化同步发展的世界性现象
B．城市化必然引起居民生活方式和社会结构的巨大变化
C．城市化是城市空间不断扩展的过程
D．发展村办企业不一定能实现城市化