Research recently conducted on the side effects of the medication __________ ...

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问题 Research recently conducted on the side effects of the medication __________ that it should not be prescribed to diabetic patients.

选项 A.has found
B.has been found
C.finds
D.was finding

答案A

解析此题为选择动词的正确形态的问题。句子表示“最近的研究确定了……”，同时．主语“research”和动词“find”为主动关系，故选A。

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