69.下列何種人畜共通傳染病,其病原具環境耐受性,可長期存活於水及土壤中? (A)馬鼻疽(glanders)(B)類鼻疽(melioidosis)(C)馬腺疫(strangles)(D)莫氏桿菌症(Moraxella infection)