In Paragraph 2, the word "legitimate" most probably means______.

A．if the marital life is imperfect
B．if it leads to a more worthwhile life for the two persons
C．if the couple later get married again and find real love
D．if the couple live far away from each other

A．requires considerable sacrifice on both partners
B．requires that the couple be emotionally involved
C．allows for the growth of the husband and wife as a couple and as two individuals
D．is only an illusion in today's society