The woman, who is said to have moved to America last year, ____ in China for almost twenty years．

A．lived

B．has lived

C．was living

D．had lived

要实现我国经济发展的战略目标，必须加快经济增长方式的转变，其核心是正确处理好( )。

A．积累与消费关系

B．投入与产出关系

C．速度与效益关系

D．数量与质量关系