Only when he reached the teahouseit was the same place he’d been in last year. A. he reali

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A. he realized
B. realized he
C. had he realized
(答案→)D. did he realize
解析：考查倒装句：句意：只有当他到达茶社他才意识到这是他去年到过的同样的地方。Only+时间状语从句置于句首时，句子用部分倒装，因为是先到达，然后才意识到，用一般过去式，选D。