Considering the recent    dangerous situation, safety locks are required to be  equipped to prevent

houses from being ____.      [ ]

A. broken in    

B. broken into    

C. broken up    

D. broken off

下列不属于理财规划师建议购买小户型住宅的客户群的是( )。

A．单身客户

B．夫妇两人

C．子女分开居住的老年人夫妇

D．三代同堂