Where()my book?I can't find it anywhere I()it on this table but now it's gonea.were you putting; have put b.had you put ;was putting c.have you put;put d.did you put;have put选哪个请解释

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Where()my book?I can't find it anywhere I()it on this table but now it's gone
a.were you putting; have put b.had you put ;was putting c.have you put;put d.did you put;have put选哪个请解释

选择B 因为gone 是过去分词,是一个过去完成时,had + done 表示在过去得某个时间或动作以前已经发生的动作或已经存在的状态