1.The Oscar is one of the film prizes _____ offered to any Chinese actor or actress so far.A.which is not B.that have not been C.that has not D.that has not been 这题选B的理由是什么?(老师说不选D是因为one of是单数,所以选B。但我没听明白。能给仔细解释一下吗?)2.地点模糊化是什么?(如situation)谢谢~!