单项选择题
A．Because we are caring the others too much. B．Because it is quite difficult to understand the others. C．Because we believe we are always right. D．Because the others have done something wrong.
A．the author complains about her parents" being too understanding B．the author has been studying marriages for more than 20 years C．people divorced mainly because they didn"t love each other D．some people divorced because they couldn"t understand each other