It is the most instructive lecture that since I came to this school.　　A attended B had att

发布时间：2020-08-16 17:54:55

It is the most instructive lecture that     since I came to this school.
　　A attended           B had attended       C am attending   D have attended

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解析：本题考察时态。句意为这是从我来到这所学校到现在听过的最具启发性的讲座。从过去延续到现在的动作，故选现在完成时，选D；
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