题目如图,四边形ABCDABCDABCD的对角线ACACAC与BDBDBD相交于点OOO,下列条件中,能判定四边形ABCDABCDABCD是矩形的是( )A.ABABAB∥DCDCDC,AB=CDAB=CDAB=CDB.ABABAB∥CD,ADCD,ADCD,AD∥BCBCBCC.AC=BDAC=BDAC=BD,AC⊥BDAC\bot BDAC⊥BDD.OA=OB=OC=ODOA=OB=OC=ODOA=OB=OC=OD知识点:等腰梯形的判定章节:未标注