单项选择题


· You will hear an interview with Ms Spencer about the change of telephone numbers in the city.
· For each question 23-30, mark one letter (A, B or C) for the correct answer.
· You will hear the interview twice.
To be connected automatically to your old number, overseas callers will

A. not be charged for the service during the first year.
B. not be charged for the service for the first 9 months.
C. be charged for the service for the first 9 months.
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