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．people have too many sources of entertainment
B．people have less internal restraints
C．people no longer enjoy family life as they did before
D．people do not want to be confined by marital ties