A.《易經(jīng)》是一部占筮之書(shū)B.《易經(jīng)》成書(shū)于夏商之際C.《易經(jīng)》又稱之為《周易》D.《易經(jīng)》從思想上反映了“小邦周”取代“大國(guó)殷”的社會(huì)變革