题目

基本解放了长江以北的华东和中原地区的战役是( ) A . 辽沈战役 B . 平津战役 C . 渡江战役 D . 淮海战役 答案：D(   ) 12. As the curtain      ， the famous singer came out. The fans      and screamed with excitement.A. was raised;rose B. had been raised;were raisedC. rose;were raised D. had risen;raised