The survey in our school last month shows that about three percent of the students are ad

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(答案→)A. conducted
B. was conducted
C. conducting
D. to be conducted
解析：考察分词用法。Survey与conduct构成被动关系，使用过去分词的形式。过去分词短语Conducted in our school做定语修饰the survey.结合句意可知A正确。句意：上个月在我们学校里进行的调查显示百分之三的学生打游戏成瘾。