选择题: 16. ---What do you think made Mar upset? --- ___________ her new bicycle.A. As she lost B. Lost C. Losing D. Because of losing 答案是C,请问为什么不是A或者D

问题描述:

选择题: 16. ---What do you think made Mar upset? --- ___________ her new bicycle.
A. As she lost B. Lost C. Losing D. Because of losing 答案是C,请问为什么不是A或者D