Liu Xiang had worked hard . ， he won the first prize in the 28th Olympic Games.
A. As the result
B. As a result
C. As a result of
D. However
网友回答
A. As the result
(答案→)B. As a result
C. As a result of
D. However
解析：句意：刘翔工作努力，结果，他获得了28届奥运会的第一名。As a result结果 As a result of由于……的结果 However不管怎样，选B。