第21题: [单项选择]What is said about the research paper A. The paper came out as short as I expected. B. Actually the paper was long enough to cover it. C. The paper was short enough to present. D. The paper turned out better than I had expected. 参考答案:D 答案解析:比较结构。根据原文“The research paper was very brief, but still it was better than I expected.”,译文为:这篇论文很简短,但