A．There is less mixing of ages in smaller families.
B．Children can get more affection from their parents.
C．Children can live in a more loving environment.
D．Children are able to enjoy better living condition.

A．American youth have fewer choices but to go to elite schools.
B．the competition for elite schools is fiercer in the United States.
C．the parents should not put too much pressure on their children.
D．the children’s future will be bleak without going to elite schools.