When Comparing Asian and European Immigrants, Which of the Following

When comparing Asian and European immigrants, which of the following statements is true?

A) Chinese and Japanese immigrants arrived in a different time frame than immigrants from Southern and Eastern Europe.
B) Only European immigrants encountered massive discrimination and rejection.
C) While Chinese and Japanese immigrants faced restrictive legislation, Southern and Eastern European immigrants did not.
D) Barriers for upward mobility for European immigrants fell away more slowly than the barriers for Asian immigrants.
E) Asian immigrants are described as model minorities.