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試卷名稱：114年 - 114 學士後醫學系招生考試：英文#126797
年份：114年
科目：學士後西醫-英文
22. _____ in Africa as a volunteer, she understood the real impact of poverty.
(A) Being worked
(B) Had working
(C) Had been working
(D) Have been working
(E) Having worked
