What does the author think of the new immigrants？ 查看

What does the author think of the new immigrants？ 查看材料

A.They will be a dynamic workforce in the U. S..

B.They can do just as well as their predecessors.

C.They will be very disappointed on the new land.

D.They may find it hard to fit into the mainstream.

请帮忙给出正确答案和分析，谢谢！