单选题 —What made him so happy?
—______ as the model student in school.
  • A. He being elected
  • B. His electing
  • C. His being elected
  • D. His been elected
【正确答案】 C
【答案解析】[解析] 答句省略了made him so happy，其实是动名词的复合结构(物主代词/名词所有格+动名词)在句子中作主语。故排除A、D。因为是“被选为”，故排除B。故选C。