Questions 27—30 are based on the passage about Isadora Duncan, a famous dancer. You now have 20 seconds to read Questions 27—30. Compared to those of the ballet, Isadora Duncan’s costumes were less ______.

A．Because the Japanese like taking photographs.
B．Because the Japanese like writing letters to each other.
C．Because the Japanese postal officials want to print a special stamp to catch worldwide attention.
D．Because the Japanese postal officials hope these sumps will help promote interest in letter-writing.

A．Because each nation wants to keep its characteristics.
B．Because they are designed by different artists from 8 countries.
C．Because it will enable the blind to distinguish between them easily.
D．Because Denmark and other countries want to have their own coins.