单选题 Through the discussion they gained an extraordinary insight into the complexity of women's emotions.

【正确答案】 B

【答案解析】cleverness of……的聪明才智；knowledge of……的知识、学问；prediction of……的预言； perception of……的理解、感知，侧重由感官获得的认知了解，比较肤浅；而insight into是有一定深度的认知了解，所以选B。