隋朝宰相杨尚希上表建议合郡为州，曰：“窃见当今郡县，倍多于古。或地无百里，数县立置。或户不满千，二郡分领。……今存要去闲，并小为大，国家则不亏粟帛，选举则易得贤才。”由此可知他建议合郡为州的目的主要是

A．削弱地方，集权中央

B．加强地方，抵御外侮

C．精简机构，节约开支

D．强化皇权，削弱相权

New York is such a large city that you won't know enough about it________ you live there for half a

year.   [ ]

A. as if      

B. now that    

C. even if      

D. so that