分类：教育/科学-外语学习
问题：初中英语——Isthissciencemuseumtheoney 
——Is this science museum the one you vised    a few years ago?——Yes,but it isn't___it used to be.A what  B that  C the one答案是A，其他为什么不选？
回答：听过一句话没，to be what you want to be ,一样的道理