Optimism had been growing ____  the weekend meeting of EuropeanUnion leaders in Brussels

would come up with a substantial plan for dealing with the debt crisis.[    ]

A. when        

B. before      

C. now that        

D. that

京九线的建成，对下列哪个地区的经济发展起了极大的推动作用[ ]

A．皖南地区  

B．湘南地区  

C．鄂西地区  

D．赣南地区