20.為規範持久性有機污染物(PersistentOrganicPollutants(POPs))所簽訂的公約為？ (A)蒙特婁議定書(MontrealProtocol) (B)巴賽爾公約(BaselConvention) (C)斯德哥爾摩公約(StockholmConvention) (D)京都議定書(KyotoProtocol) (E)維也納公約(ViennaConvention)