What a wonder!  They've finished  ____ half of the project in such a short time.  [ ]

A. no more than                    

B. no less than      

C. not more than                   

D. much less than

影响幼儿品德形成的外部条件有()。

A．家庭教养方式

B．道德认知

C．社会风气

D．同伴群体