单选题 (It) was (her) (who) represented her country in the United Nations and (later) became ambassador (大使) to the United States.
  • A. was
  • B. her
  • C. who
  • D. later


【正确答案】 B
【答案解析】将B选项her改为she。该句为强调句式，强调的是主语，故要用主格形式，而非宾格。