The story showed marriage between people of different races , was against the law at that time.
A. who
B. which
C. whoever
D. whichever
网友回答
A. who
(答案→)B. which
C. whoever
D. whichever
解析：句意：这个故事展示了不同种族之间人们的婚姻，在那个时候是违反法律的。非限制性定语从句，which指代marriage，故选B.