13. Guangdong _____ great achievements in economic and social development in the past 30 years, _____ a historic jump and contributed a lot to the country's reform and opening up and modernization construction.

     A. made; to realize                                               B. has made; to realize   

C. made; realizing                                                D. has made; realized

15. _____ the massive task of reconstruction after the May 12 quake, Sichuan authorities are prepared to make any sacrifice to put the province's economy back on track.

 A. Facing with                                                            B. Being faced with                 

C. Faced with                                                      D. Having faced with