40．Shown together with those products, some advanced ones made abroad included______, which greatly appealed to the visitors coming from all the corners of the world．

A．models of the new generation of airliners there were

B．there were models of the new generation of airliners

C．were models of the new generation of airliners

D．were there models of the new generation of airliners

新中国成立60年来的实践证明，中 * * 党领导的多党合作和政治协商制度是符合我国国情的新型政党制度，具有鲜明的中国特色，表现为  [     ]

 ①在政党关系上，坚持 * * 党领导、多党派合作 ②在 * * 运作方式上，坚持 * * 党和多党派共同执政 ③围绕民主和竞争两个主题，坚持政治参与、民主协商 ④在协调利益关系上，坚持维护国家和人民的根本利益、照顾同盟者的具体利益

A．①④

B．②③

C．③④

D．①②