A．It’s not always clear why people behave in certain ways.
B．People usually blame others for their mistakes.
C．Certain conditions cause drivers to behave strangely.
D．The reason for some behavior is Obvious.

A．Prestige schools may not be better.
B．The quality is about the same is every school.
C．Prestige schools are always the best.
D．In a good school the students always learn more.