单选题 ______a word, this movie can be rated as a successful domestic film.
A. Of B. At C. In D. By

【正确答案】 C

【答案解析】[解析] 总之，这部电影堪称一个成功的国内电影。
[考点] 词语搭配
[解析] in a word意为“总而言之”。