Chinese Premier Wen Jiabao, in_________ interview with Hong Kong reporters on April 13, said that Chinese economy in ________ first quarter showed signs of better than expected positive changes.

A．an, 不填

B．the, the

C．the, a

D．an, the

当汽油的价格上升时，对小汽车的需求量将（）。

A．减少 

B．保持不变 

C．增加