Question

--- What do you think made Mary so upset ?
--- ______.

1. A.
   As she lost
2. B.
   Lost
3. C.
   Losing
4. D.
   Because of losing

Answer 1

C
考查动名词做主语，句意是：什么使玛丽这么难过？--她丢了新自行车。说明回答的内容是主语，完整的句子是Losing her new bicycle made mary so upset。选C。