Carmen has been a tourist guide for over a year now, and she wouldn’’t trade her job for any other one.

A．the lunches are paid for by his company
B．he paid the lunches by himself
C．the people who went to the lunches had to pay
D．the lunches were really very expensive

A．tend to be difficult to appear friendly
B．should have confidence in themselves
C．demand more understanding from others
D．like to express their ideas freely