The writer and professor, whom I often refer to at the meetings, ____ famous for those works. 

A．is

B．are

C．am

D．were

国家投入巨资兴建跨海大桥体现的财政作用是（）

A.促进社会公平、改善人民生活

B.推动建设社会主义和谐社会

C.促进国民经济平稳运行

D.集中力量办大事，促进资源合理配置