What Evidence Do Reitz and Breton (1994) Use to Cast

What evidence do Reitz and Breton (1994) use to cast doubt on the notion that Canada's multiculturalism has a dramatic impact?

A) Intergroup relations involving immigrants in Canada are not markedly different from those in the US.
B) Program expenditures related to multiculturalism continue to increase with little demonstrable effect.
C) Multiculturalism has never been evaluated in the specific social science sense of the word.
D) Policy related to racial minorities is spread across agencies and different levels of government.
E) Canadians tend to be more open to equality of opportunity in principle, but not in action.