By the end of last year,another new theme park         completed in that area. [ ]

A. was being

B. would be

C. has been

D. had been

下列句子中加粗词语使用正确的一项是 [ ]

A、如果能掌握科学的学习方法，就会收到事倍功半的效果。  

B、赵亮真是别有用心，办的手抄报从内容到形式都很精彩。  

C、一谈起学习经验，班长就夸夸其谈，真让同学们钦佩不已。  

D、领奖台上，奥运冠军刘翔挥动双臂，神采飞扬，充满着民族自豪感。