两只同样大的量杯，甲杯装着半杯纯酒精，乙杯装半杯水．从甲杯倒出一些酒精到乙杯内．混合均匀后，再从乙杯倒同样的体积混合液到甲杯中，则这时甲杯中含水和乙杯中含酒精的体积，哪一个大？______．

We have every reason to believe that _____ 2009 Leichi Culture & Art Festival will be ___ success.

A．/ ; a

B．the; /

C．the ; a

D．the ; /