Only after his work to see his grandfather.
A. finishing; did he go
B. he finishes; did he go
C. he finished; he went
D. having finished; he went
网友回答
(答案→)A. finishing; did he go
B. he finishes; did he go
C. he finished; he went
D. having finished; he went
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。