单选题 Not until I got to the railway station ______ my ticket missing.
A. I did find B. did I find C. I found D. had I found

【正确答案】 B
【答案解析】我到火车站才发现车票没了。not until置句首时，主句主谓倒装，可排除A、C，D选项时态不合适。