第12题: [单项选择]A. New highways will be constructed along the elevated subway. B. The rent of the houses along the elevated subway has risen sharply. C. A number of houses have been built along the elevated subway. D. House have been torn down for the building of the elevated subway. 参考答案:A 答案解析:[听力原文] A number of houses along the elevated subway route have been torn down, so as to make