问题：
[不定项选择题] This is not a good time to be foreign. Anti-immigrant parties are gaining ground in Europe. Britain has been fretting this week over lapses in its border controls. In America Barack Obama has failed t
A、Many immigrants claim much more benefits than the locals.
B、All research findings show that the competition from unskilled immigrants depresses the wages of unskilled locals.
C、Migrants into rich countries tend to send cash back to their families and have become a drain on the public purse.
D、Diasporas help rich countries establish business ties with emerging markets in their home countries.
参考答案：
D、Diasporas help rich countries establish business ties with emerging markets in their home countries.
● 参考解析
