第27题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. It’s near the Mexico City. B. It’s in Guatemala. C. It’s stretched from the plains of central Mexico to the mountains of Guatemala. D. It’s in America. 参考答案:A 答案解析:[听力原文]26-28 At one time it was the most important city in the region--a bustling commercial c