题目内容：
What does the author mean by saying "The results suggested that cheating may be becoming more commonplace." (Para. 4)?
A．After the previous survey in 2013, more students are found cheating. B．More cheating students were under the survey this time.
C．No measures are taken to manage the phenomenon of cheating.
D．Most students don't pay attention to their curricula.
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答案解析：