Questions 1 to 5 are based on the following conversation.

A． Many children are suffering from ADD.
B． ADD is the problem for the problematic children.
C． Some people’s brains do not have neurotransmitters.
D． The way people are brought up determines their behavior.

A． They feel their boss too airy and bureaucratic.
B． They can hardly get a promotion in a downsized company.
C． They are constantly under great pressure to adapt to changing markets.
D． There are too many levels of management in their companies.