单选题
______ , the mayor conceded defeat in his bid for re-election.
A、
Having racked up a lead of some 150000 votes
B、
Having been racked up a lead of some 150000 votes
C、
His opponent having racked up a lead of some 150000 votes
D、
His opponent racking up a lead of some 150000 votes
【正确答案】
C
【答案解析】
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