Only after______ his work _____ to see his grandfather.A.finishing; did he goB.he finishes; did he goC.he finished; he wentD.having finished; he went
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A解析考查倒装。only位于句首时，应该用部分倒装，after后加doing或从句；故第一空填finishing或he finished，排除B、D；第二空用部分倒装，把did提前。故选A。