A．tend to be more strict with children
B．forbid kids to think independently
C．overlook changes of the society
D．need training for education methods

A．Students from rich families don't need to study hard.
B．Parental education affects kids' academic results greatly.
C．Kids in poor families can hardly graduate from colleges.
D．Family background can make up for academic flaws.

A．how parents should bring up their children
B．how family background influences schooling
C．what the greatest barrier to social mobility is
D．various classes educate kids differently