单选题
The research done by psychologist Rubin centers around ________.
A、
happy and successful marriages
B、
friendships of men and women
C、
emotional problems in marriage
D、
interactions between men and women
【正确答案】
B
【答案解析】
[解析] 事实细节题,从文章第四段可以看出Rubin的研究主要围绕男女友谊展开。故本题答案为B。
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