If only the patient_____a different treatment instead of using the antibiotics,

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问题 If only the patient_____a different treatment instead of using the antibiotics, he might still be alive now.(2007)

选项 A、had received
B、received
C、should receive
D、were receiving

答案 A

解析 2007年第54题。本题考查if only虚拟语气的用法。显然，病人已故，表示与过去事实相反，从句中使用过去完成时。

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