题目

--Where were your parents at 7:00 last Monday evening? --They ____. But I was not at home. A. watched TV      B. were watching TV C. are watching TV D. watching TV 答案：B北魏至唐朝中期，封建国家为抑制土地兼并，维护小农经济，实行的土地制度是：（   ）A．井田制       B．屯田制         C．均田制       D．摊丁入亩