Not for a moment sightseeing while in Europe.
A. he has stopped
B. he stops
C. did he stop
D. he did stop
网友回答
A. he has stopped
B. he stops
(答案→)C. did he stop
D. he did stop
解析：
试题分析:考查倒装句。否定副词not位于句首后面应该用部分倒装语序，即一般疑问句语序，故C选项正确。句意：当在欧洲期间他一刻也没停止过观光游览。