题目

 “Meals on wheels” is a free service, ____ hot meals are delivered to elderly people who may not be able to move around very easily. A. that                  B. which        C. where        D. what 答案：C历史典故“烽火戏诸侯”中，诸侯因义务所在，蜂拥而至勤王。这一典故是下列哪一政治制度的反映A．宗法制 B．郡县制 C．分封制 D．朝议制