56. According to the Code, visitors should act _______ .
A. with care and respect B. with relief and pleasure
C. with caution and calmness D. with attention and observation
57. What are you encouraged to do when travelling in New Zealand?
A. Take your own camping facilities.
B. Bury glass far away from rivers.
C. Follow the track for the sake of plants.
D. Observe signs to approach nesting birds.