楼主您这口语厉害了。。。如果要用are复数,就用differences,但不管怎么说也不会是different形容词啊。。。不是让人用英文回答你的问题吧??
what do you think are the differences between men and women?
different应该为differences,还有这是个什么问题?
what do you think are the different between men and women?你考虑的是男女有别吗?