单选题 It cost her a lot of money, but she doesn't regret ______ a year traveling around the world
A) to have spent B) to spend C) spent D) spending

【正确答案】 D

【答案解析】此题含义为：虽然花费了她很多钱，但她不后悔花了一年时间的时间周游是世界。动词regret后应接动名词作宾语补语。