题目

同学们在观看体育节目时，经常看到黑人体育明星，如“飞人”乔丹、“拳王”泰森，虽然他们现在是美国人，但是他们的祖先是（ ）A． 南美洲人         B． 大洋洲人          C． 欧洲人        D． 非洲人 答案：D．I learned _____ the city for a long time. [     ]A. she has been to B. she has gone to C. she had been in D. she had gone to