掠夺婚是在对偶婚制向个体婚制转变的过程中产生的。()
查看答案
How could the migration problem be solved as suggested by the author？
A. The European Union has to maintain a common policy on immigration.
B. Asylum-seekers have to offer sufficient evidence of being persecuted.
C. Rich countries should welcome both economic and political immigrants.
D. Western Europe should cooperate closely with refugee-producing lands.
微信支付 
支付宝支付