—What do you think made the girl so glad?
— a beautiful necklace.
A. As she received
B. Receiving
C. Received
D. Because of receiving
网友回答
A. As she received
(答案→)B. Receiving
C. Received
D. Because of receiving
解析：考查动名词做主语：句意是:--你认为是什么让这个女孩这么高兴的？--收到一个漂亮的项链。说明这句话是省略句，完整的是：Receiving a beautiful necklace(makes the girl so glad).空格部分是主语，用动名词。选B。