Which statement best describes illegal immigration to the United States today?

Illegal immigration remains a debated issue in the United States, especially over whether and how undocumented immigrants should be allowed to stay, work, or become citizens. The United States has not completely stopped illegal immigration, so A is incorrect, and the population is not very small, so D is incorrect. C, “People cannot agree on how to treat undocumented immigrants,” best describes the issue.

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