单项选择题
A.全体人员的合作和信任导致了此项发明的成功。 B.成功地完成此项发明是全体人员互相合作、互相信任的结果。 C.这项发明成功了,结果使全体人员更加合作、更加信任。 D.此项发明很成功,是因为全体人员互相合作、互相信任。
A.universities must meet the need of the society B.universities play an important role in our society C.research and teaching are of great importance in universities D.traditional universities do a good job serving the society