问题补充：
Hepburn won an Oscar Best Actress her role the film Roman Holiday.
A. of; for; in
B. of; of; for
C. for; of; in
D. for; for; in
答案：
A. of; for; in
B. of; of; for
C. for; of; in
(答案→)D. for; for; in
解析：句意: 因为她在电影罗马假日中扮演的角色，Hepburn赢得了奥斯卡最佳女演员奖。Oscar for Best Actress是一个固定短语；第二个for 表示原因；第三个空用in 表示在……中扮演角色。故选D。
