Passage One Questions 26 to 28 are based on the passage you have just heard.

A．He’s explaining the language laboratory.
B．He wants to know Where the tapes are.
C．He’s showing her a new tape recorder.
D．He’s recording her voice on a tape.

A．became the largest currency in the world
B．turned out to be the biggest event in history
C．took the place of 12 national currencies
D．became the most popular currency in the world