单选题I think this is 

问题补充：

单选题Ithinkthisisthefirsttimethatwehavemet.______anywhere.A.Before have we never seen each otherB.Never before we have seen each otherC.Each other have we seen never beforeD.Never before have we seen each other

答案：

D解析否定副词never before提前到句首时，句子用部分倒装。