Which of the Following Is Not Correct

Multiple Choice

Which of the following is not correct?

A) High-skilled immigration has many economic benefits.
B) Each year in the United States, about one-third of the people earning a PhD. in science or engineering are foreign born.
C) Low-skilled immigration lowers the earnings of native-born workers by 10-20 percent.
D) Illegal immigrants may pay less in taxes, but they also are ineligible for many government benefits.