According to the woman, what causes most of the damage to the air

A．Boys and girls are equally energetic.
B．Parents have higher expectations for boys.
C．Some parents lack skills to deal with their kids.
D．Some parents are ill-educated and ill-tempered.

A．because he has to wait until he has three children
B．because he has to make enough money for his wife’’s family
C．because it is a necessary ceremony at marriage
D．because it is a necessary type of gift to exchange at marriage