解析：{{B}}Questions 23-26{{/B}}_考试试题_口译笔译

【单选题】

{{B}}Questions 23-26{{/B}}

A、About 30 years ago.
B、In 1977.
C、In the 1990s.
D、Only in the past three years.

网考网参考答案：A
网考网解析：
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