27.下列何種培養基可以用來分離及鑑別大腸桿菌 O157:H7? (A)eosin methylene blue(EMB)培養基 (B)Hektoen enteric(HE)培養基 (C)cefsulodin-irgasan-novobiocin(CIN)培養基 (D)MacConkey-sorbitol(MAC-SOR)培養基