Not until he left home ________ the importance of his family.

A．he realised

B．did he realise

C．he did realise

D．realised he

选项所列哪个机关对公用企业限制竞争的行为有权实施处罚( )

A．国家工商行政管理局

B．省级工商行政管理局

C．不设区的市的工商行政管理局

D．县级工商行政管理局