Medical accidents ______ by drugs have attracted much attention in that country.

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问题 Medical accidents ______ by drugs have attracted much attention in that country.

选项 A、causing
B、to be caused
C、be caused
D、caused

答案 D

解析本题考查非谓语动词作定语的用法。空格处后的by提示空格前的名词Medical accidents与动词cause应该构成被动的关系，即cause应为其过去分词形式，表示“医疗事故”是“由药品引发”的，因此，选项D为正确答案。

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