Which of the Following Is NOT an Argument Against Immigrant

Multiple Choice

Which of the following is NOT an argument against immigrant workers?

A) They could become a source of social unrest and ethnic strife.
B) Immigration leads to massive overcrowding and traffic congestion.
C) Immigration may create enclave community segregated from the rest of the society.
D) Economic contribution of immigrants is usually marginal since they don't usually work hard enough to make a living in a newly adopted country.