问题
选择题
Jane likes collecting stamps very much. In fact, her interest in it ___back to her school days.
A．dated
B．dates
C．was dated
D．is dated
答案
答案：B
句意：珍妮非常喜欢集邮。事实上，她对集邮的兴趣追溯到上学时代。短语:date back to 追溯到什么时候，没有被动语态，所以选B。