题目

第三部分 阅读理解(共20小题；每小题2分，满分40分) 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。When Paul was a boy growing up in Utah，he happened to live near a copper smelter（炼铜厂），and the chemicals that poured out had made a wasteland out of what used to he a beautiful forest. One day a young visitor looked at this wasteland and called it an awful area. Paul knocked him down. From then on，something happened inside him.Years later Paul was back in the area，and he went to the smelter office. He asked if they ha一When shall we start the restoration of the historic buildings? 一Not until our plan________ by the committee. A．will be approved    B．approves          C．is to approve       D．has been approved