中国馆是上海世博会永久保留的展馆，它的设计理念可以概括为：东方之冠、鼎盛中华、天下粮仓、富庶百姓。中国馆是中国特色与时代精神的统一，表达了中国文化和精神气质。上述材料告诉我们                    （   ）

①物质决定意识，意识对物质具有推动作用                                                    

②体现了个性和共性的统一

③创造性思维源于人们的合理想象                                                                  

④创新是继承与发展的统一

A．①②

B．②③

C．②④

D．①④

Such a fierce dog __ that we had to wait outside before we could get into his yard．

A．has he had

B．did he have

C．he had

D．he has had