The key to _____ the problem is to meet the demand _____ by the customers. [ ]

A. solving, making

B. solving, made

C. solve, making

D. solve, made

“三个代表”重要思想形成的时代背景是

A．国际局势和世界格局的深刻变化

B．社会主义兴衰成败的历史经验

C．国情和党情的变化

D．改革开放的进一步深化