与条件致病菌无关的疾病是（）
A.腹腔脓肿
B.急性肾小球肾炎
C.泌 * * 感染
D.假膜性肠炎
E.鹅口疮
参考答案：B
---What made you so angry?
A．Mary’s leaving, instead of
B．Mary’s left, instead of
C．Mary’s leaving, without
D．Mary”s leaving, instead
变差系数
