【名词&注释】
致病菌(pathogenic bacteria)、结肠炎(colitis)、霍乱弧菌(vibrio cholerae)、上皮细胞(epithelial cells)、静脉营养液(nutrient admixture)、志贺痢疾杆菌(shigella dysenteriae were positive)
[单选题]下列致病菌中不具有侵袭力,不侵入肠上皮细胞的是()
A. A.伤寒沙门菌B.霍乱弧菌C.志贺痢疾杆菌(shigella dysenteriae were positive)D.小肠结肠炎耶尔森菌E.鼠伤寒沙门菌