In this victory speech before a huge crowd of his supporters, Obama declared that “Change has e to America”.
A. delivered
B. to be delivered
C. having delivered
D. delivering
网友回答
(答案→)A. delivered
B. to be delivered
C. having delivered
D. delivering
解析：句意：在这个在支持者前面所做的演讲中奥巴马宣布美国已经发生了改变。这里需要非谓语动词做定语，因为speech和deliver是被动关系，用过去分词做定语，所以选A。