— Excuse me, can you tell me __________?
— Sorry. I am new here, too.
A：where is the Baise Expo
B：where was the Baise Expo
C：where the Baise Expo is
D：where the Baise Expo was
《礼记》记述了贵族朝会的列位礼节：天子南向而立；三公，中阶之前；诸侯，阼阶（东台阶）之东；诸伯，西阶之西；诸子，门东……九夷，东门外；八蛮，南门外。与此相关的政治制度是( )
