Mary said that she London.
A. has never gone to
B. has never been ,to
C. had never been to
D. had never gone to
网友回答
A. has never gone to
B. has never been ,to
(答案→)C. had never been to
D. had never gone to
解析：：考查时态和动词短语.根据句意可知使用过去完成时，have been to去过某地；have gone to去了某地（不在说话的地方）句意：May说她已经去过伦敦了。故C正确。