高等继续教育 / 专科英语I
正确率：100%
题型描述: 单选题
Since my mother＿＿＿＿＿ here before, I had to meet her at the railway station.
A.having never been
B.has never been
C.never was
D.had never been
Since my mother＿＿＿＿＿ here before, I had to meet her at the railway station.
A.having never been
B.has never been
C.never was
D.had never been
参考答案：