A Researcher Is Interested in Studying the Canadian Women's Beliefs

A researcher is interested in studying the Canadian women's beliefs about the pros and cons of sending a child to daycare. She recruits ten women from a major city in each province and territory and asks them to fill in a survey and mail it back to her. The population for this study would be:

A) the ten women from each major city that were recruited.
B) all women in Canada
C) all of the women in the major cities were recruitment occurred.
D) the women who actually returned the survey.