which of the following is true about immigration?


A . immigrants are only allowed to enter countries if their hometown is overly populated

Bimmigrants are not allowed to enter developed Nations

Cimmigrants come from a variety of countries

Dimmigration has greatly slowed in the past 100 years

Verified Answer :

I think C better fits here than the others, even though D sounds fine also. But C is better. 
Hope i helped

I would say C, because immigrants, not only come from Russia, or Europe, they can come from even Africa, India, South America, and much more.
Hope that this would help you! =)