Which of the Following Is True, According to Breton and Reitz

Which of the following is true, according to Breton and Reitz?

A) Canadian culture is important to immigrants, but not to native-born Canadians.
B) Rates of language retention and ethnic group identification are about the same in Canada and the United States.
C) Almost no empirical data support the notion that Canadians are more tolerant than Americans.
D) The society of the United States is more multicultural than that of Canada.
E) All of the above