--Our guests are coming from Shanghai at 10:30.---Oh, I ___ it ___11:30.

A．think, is

B．thought, was

C．have thought, will be

D．had thought, would have been

下列关于社会主义市场经济体制的表述，正确的是：（   ）

①以市场配置资源为主 ②根本目的是进一步解放和发展生产力

③以行政审批配置资源为主 ④注意加强和改善国家的宏观调控

A．①②③

B．②③④

C．①②④

D．①②③④