英语 English problem (8 10:57:12).________ its power at last in 221B.C.Qingshihuang  united the whole country  ,known as Qin Dynasty.A.Having   expanded   B Expanged    C Expanging    D Ha

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英语 English problem (8 10:57:12).________ its power at last in 221B.C.Qingshihuang  united the whole country  ,known as Qin Dynasty.A.Having   expanded   B Expanged    C Expanging    D Ha

英语 English problem (8 10:57:12).________ its power at last in 221B.C.Qingshihuang  united the whole country  ,known as Qin Dynasty.A.Having   expanded   B Expanged    C Expanging    D Ha
英语 English problem (8 10:57:12)
.________ its power at last in 221B.C.Qingshihuang  united the whole country  ,known as Qin Dynasty.
A.Having   expanded   B Expanged    C Expanging    D Had  expanded

英语 English problem (8 10:57:12).________ its power at last in 221B.C.Qingshihuang  united the whole country  ,known as Qin Dynasty.A.Having   expanded   B Expanged    C Expanging    D Ha
a
主谓一致
这是状语从句的省略,Qingshihuang united the whole country ,known as Qin Dynasty.是主句,主语是Qingshihuang是人,和expand是主动关系,所以是用ing形式
但是应该是“先壮大实力”然后统一,动作有一个先后顺序,所以选a