Which of the Following Does the Census of Canada Define

Which of the following does the Census of Canada define as a family?

A) Two unrelated, cohabiting adults who have chosen to share each other's lives in a relationship of mutual caring.
B) A married or common-law couple, with or without children, or a lone parent living with at least one child, in the same dwelling.
C) A group of individuals related by blood, marriage or fosterage, who share the same dwelling.
D) A married couple and their married children living in the same dwelling.