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 behaviour is obvious.

A．They usually accept responsibility.
B．They blame factors beyond their control.
C．They complain about their personal problems.
D．They compare their behaviour to others.

A．Arranging the television schedule.
B．Supervising the programmes' suitability for the public.
C．Inspecting other leading staff of the BBC.
D．Getting grant from the union government.