下述慢性腹泻的病因中属于感染性因素的是()。
A.缺血性肠炎
B.溃疡性结肠炎
C.憩室炎
D.肠结核
E.克罗恩(Crohn)病
参考答案:D
What would you like? [ ]
A. I'd like some beef.
B. Let me try.
C. Help yourself.
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