Which of the Following Is Not Prohibited Grounds for Discrimination

Which of the following is not prohibited grounds for discrimination in Canada as it pertains to employment workforce diversification that necessitates managers with fresh leadership styles who understand their varying needs and creatively respond by offering flexible management policies and practices.These statistics indicate major changes in the way we live and work except:

A) the legalization of same-sex marriage in July 2005,Canada became the third country in the world to legalize same-sex marriage.
B) the number of same-sex couples surged 32.6 percent between 2001 and 2006,five times the pace of opposite-sex couples (+5.9 percent) .*Based on the 2006 Census.
C) over 18 percent of Canadians were born outside the country and this is expected to increase to more than 25 percent by 2031.
D) nearly 5.1 million Canadians or 16.2 percent of the total population (as per 2006 census) were visible minorities.This number is expected to increase to about 30 percent by 2031.
E) over 6 percent of working Canadians have some disability.